No PDF header

Classification

Validator	Validator version	Error message type
JHOVE	1.32.1

File format	Version	Specification	Description	Location
application/pdf	1.2			OPF

Analyses

No investigations yet.

Note

To help, share and save knowledge about fixing validation errors, please see: https://github.com/Digital-Preservation-Finland/knowledge-base/tree/master/.github/CONTRIBUTING.rst

Possible solutions

No remediation determined. All solutions are listed here.

Note

To update or provide a solution, please see: https://github.com/Digital-Preservation-Finland/knowledge-base/tree/master/.github/CONTRIBUTING.rst

Output example

Validator returned error.
<?xml version="1.0" encoding="UTF-8"?>
<jhove xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://schema.openpreservation.org/ois/xml/ns/jhove" xsi:schemaLocation="http://schema.openpreservation.org/ois/xml/ns/jhove https://schema.openpreservation.org/ois/xml/xsd/jhove/1.9/jhove.xsd" name="Jhove" release="1.32.1" date="2025-02-06">
 <date>2026-06-15T15:19:08+03:00</date>
 <repInfo uri="/corpus/format-corpus/jhove-errors/PDF-HUL-137/reserve3.pdf">
  <reportingModule release="1.12.7" date="2024-08-22">PDF-hul</reportingModule>
  <lastModified>2026-06-15T13:22:13+03:00</lastModified>
  <size>157312</size>
  <format>PDF</format>
  <status>Not well-formed</status>
  <messages>
   <message offset="0" severity="error" id="PDF-HUL-137" infoLink="https://github.com/openpreserve/jhove/wiki/PDF-hul-Messages#pdf-hul-137">No PDF header</message>
  </messages>
  <mimeType>application/pdf</mimeType>
 </repInfo>
</jhove>

Notes on the error

Related errors by source files

Ghostscript:    File has some garbage before %PDF-
JHOVE:  No PDF header
veraPDF:        A CIDSet entry in the Font descriptor is missing or does not correctly identify all glyphs present in the embedded font subset and used for rendering
veraPDF:        Actual length of the stream (.* byte(s)) does not match the value of the Length key in the Stream dictionary (.* byte(s))
veraPDF:        Annotation flags are either missing or set the annotation to be hidden/invisible or non-printable (F = null, Print = null, Hidden = null, Invisible = null, NoView = null)
veraPDF:        Annotation.s color (C present = true) or interior color (IC present = false) is used without specifying RGB-based destination output profile
veraPDF:        A property is either not defined in XMP Specification, or is not defined in any of the extension schemas
veraPDF:        can not locate xref table
veraPDF:        DeviceGray colour space is used without output intent profile
veraPDF:        DeviceRGB colour space is used without RGB output intent profile
veraPDF:        End of file is reached
veraPDF:        Extra spacings or missing EOL characters around indirect object/generation number or keywords 'obj' and 'endobj'
veraPDF:        File header .*%PDF-1..* (offset = .*) starts at non-zero offset or does not match the pattern %PDF-1.n, where 'n' is a single digit number between 0 and 7
veraPDF:        File header .*%PDF-*.* (offset = .*) starts at non-zero offset or does not match the pattern %PDF-n.m
veraPDF:        Missing ID in the document trailer
verapdf:        org.verapdf.pd.font.cmap.CMapParser getBfrangeEndFromBytes WARNING: Incorrect bfrange in toUnicode CMap: bfrange contains more than 256 code.
veraPDF:        Pages not found
veraPDF:        Real value .* out of range
veraPDF:        The document catalog dictionary doesn't contain metadata key or metadata stream dictionary does not contain either entry Type with value /Metadata or entry Subtype with value /XML
veraPDF:        The font program is not embedded
veraPDF:        The value of CreationDate entry from the document Info dictionary and its matching XMP property .*xmp:CreateDate.* are not equivalent (Info /CreationDate = D:.*, XMP xmp:CreateDate = .*)
veraPDF:        The value of ModDate entry from the document Info dictionary and its matching XMP property .*xmp:ModifyDate.* are not equivalent (Info /ModDate = D:.*, XMP xmp:ModifyDate = .*)
veraPDF:        XMP property does not correspond to type null

Notice: any operation suggested on this page should be carefully considered before use, as this article is in continuous development. Data is available at https://github.com/Digital-Preservation-Finland/knowledge-base.