An embedded font is invalid

Classification

Validator	Validator version	Error message type
Ghostscript	10.06.0

File format	Version	Specification	Description	Location
application/pdf	1.5		Govdocs1 set	OPF format-corpus
application/pdf	1.5		Govdocs1 set	OPF format-corpus
application/pdf	1.4		Govdocs1 set	OPF format-corpus
application/pdf	1.3		Govdocs1 set	OPF format-corpus
application/pdf	1.5		Govdocs1 set	OPF format-corpus

Analyses

Possible solutions

Output example

warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
GPL Ghostscript 10.06.0: Warning: 'loca' length 3350 is greater than numGlyphs 63 in the font MNJMFC+Arial.
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
GPL Ghostscript 10.06.0: Warning: 'loca' length 3350 is greater than numGlyphs 63 in the font MNJMFC+Arial.
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check
warning: ignoring zlib error: incorrect data check

The following errors were encountered at least once while processing this file:
        startxref offset invalid
        missing white space after number
        malformed number
        integer overflowed
        unbalanced or unescaped character '(' in string
        error executing PDF token
        xref table was repaired
        error reading a stream
        A closing mark (] or >>) had no matching mark, ignoring the closing mark
        Incorrect /Length for stream object
        An embedded font is invalid

   **** This file had errors that were repaired or ignored.
   **** The file was produced by:
   **** >>>> Acrobat Distiller 5.0 (Windows) <<<<
   **** Please notify the author of the software that produced this
   **** file that it does not conform to Adobe's published PDF
   **** specification.


GPL Ghostscript 10.06.0 (2025-09-09)
Copyright (C) 2025 Artifex Software, Inc.  All rights reserved.
This software is supplied under the GNU AGPLv3 and comes with NO WARRANTY:
see the file COPYING for details.
Invalid number format: scientific notation
Processing pages 1 through 138.
Page 1
Loading font Arial,Bold (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Bold
Loading font Arial (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Page 2
Page 3
Loading font Helvetica-Bold (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Bold
Loading font Helvetica (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Page 4
Loading font Arial (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font TimesNewRoman (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Regular
Page 5
Loading font Times-Roman (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Regular
Loading font Helvetica (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Page 6
Loading font Helvetica-Bold (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Bold
Loading font Helvetica (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Page 7
Page 8
Page 9
Loading font MNJMFC+Arial (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Page 10
Page 11
Page 12
Page 13
Loading font MNJMFC+Arial (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Page 14
Loading font TimesNewRoman,Italic (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Italic
Page 15
Page 16
Page 17
Page 18
Page 19
Page 20
Page 21
Page 22
Page 23
Page 24
Page 25
Page 26
Page 27
Page 28
Page 29
Page 30
Page 31
Page 32
Page 33
Page 34
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Page 37
Page 38
Page 39
Page 40
Page 41
Page 42
Page 43
Page 44
Page 45
Page 46
Page 47
Page 48
Page 49
Page 50
Page 51
Page 52
Page 53
Loading font Helvetica-Bold (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Bold
Page 54
Loading font Helvetica (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font Helvetica-Oblique (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Italic
Page 55
Loading font TimesNewRomanPSMT (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Regular
Loading font TimesNewRomanPS-BoldMT (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Bold
Loading font TimesNewRomanPS-ItalicMT (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Italic
Page 56
Page 57
Page 58
Page 59
Page 60
Page 61
Page 62
Page 63
Page 64
Page 65
Page 66
Page 67
Page 68
Page 69
Page 70
Page 71
Page 72
Page 73
Page 74
Page 75
Page 76
Page 77
Page 78
Page 79
Page 80
Page 81
Page 82
Page 83
Page 84
Page 85
Page 86
Page 87
Page 88
Page 89
Page 90
Page 91
Page 92
Page 93
Page 94
Page 95
Page 96
Page 97
Page 98
Page 99
Page 100
Page 101
Page 102
Page 103
Page 104
Page 105
Page 106
Page 107
Page 108
Page 109
Page 110
Page 111
Page 112
Page 113
Page 114
Page 115
Page 116
Page 117
Page 118
Page 119
Page 120
Page 121
Page 122
Page 123
Page 124
Page 125
Page 126
Page 127
Page 128
Page 129
Page 130
Page 131
Page 132
Page 133
Page 134
Page 135
Page 136
Loading font TimesNewRoman,Bold (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Bold
Loading font TimesNewRoman (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Regular
Page 137
Loading font Arial,Bold (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Bold
Loading font Arial (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font Arial,Italic (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Italic
Loading font Arial,BoldItalic (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-BoldItalic
Page 138
Loading font Helvetica (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Regular
Loading font Helvetica-Bold (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusSans-Bold
Loading font Times-Roman (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusRoman-Regular
Loading font Courier (or substitute) from /opt/ghostscript-10.06/share/ghostscript/Resource/Font/NimbusMonoPS-Regular

The following warnings were encountered at least once while processing this file:
        recoverable image error
        encountered more Q than q
        garbage left on stack
        invalid operator used in text block
        BT found inside a text block
        ET found outside text block
        text operator outside text block
        degenerate text matrix
        non standard operator found - ignoring
        number uses illegal exponent form
        Possible missing white space between operators
        A page ended after a BT had been executed and without a mtching ET

Notes on the error

Related errors by source files

Ghostscript:    A closing mark (] or >>) had no matching mark, ignoring the closing mark
Ghostscript:    An embedded font is invalid
Ghostscript:    A page ended after a BT had been executed and without a mtching ET
Ghostscript:    badly escaped name
Ghostscript:    BT found inside a text block
Ghostscript:    cannot process embedded stream for font object
Ghostscript:    Couldn't find a named resource
Ghostscript:    degenerate text matrix
Ghostscript:    encountered more q than Q
Ghostscript:    encountered more Q than q
Ghostscript:    error executing PDF token
Ghostscript:    error reading a stream
Ghostscript:    ET found outside text block
Ghostscript:    garbage left on stack
Ghostscript:    ignoring zlib error: incorrect data check
Ghostscript:    Incorrect /Length for stream object
Ghostscript:    integer overflowed
Ghostscript:    Invalid ICC colour profile, using alternate
Ghostscript:    Invalid number format: scientific notation
Ghostscript:    invalid operator used in text block
Ghostscript:    'loca' length .* is greater than numGlyphs .* in the font .*
Ghostscript:    malformed number
Ghostscript:    missing white space after number
Ghostscript:    non standard operator found - ignoring
Ghostscript:    number uses illegal exponent form
Ghostscript:    Page drawing error occurred.
Ghostscript:    Possible missing white space between operators
Ghostscript:    recoverable image error
Ghostscript:    startxref offset invalid
Ghostscript:    text operator outside text block
Ghostscript:    The string data prameter for a /Indexed colour space lookup is too short
Ghostscript:    unbalanced or unescaped character '(' in string
Ghostscript:    xref table was repaired
JHOVE:  Improperly nested dictionary delimiters
JHOVE:  Invalid object definition

Notice: any operation suggested on this page should be carefully considered before use, as this article is in continuous development.