NAME

Image::ExifTool::PDF - Read PDF meta information

SYNOPSIS

This module is loaded automatically by Image::ExifTool when required.

DESCRIPTION

This code reads meta information from PDF (Adobe Portable Document Format) files. It supports object streams introduced in PDF-1.5 but only with a limited set of Filter and Predictor algorithms, however all standard encryption methods through PDF-2.0 are supported, including AESV2 (AES-128) and AESV3 (AES-256).

AUTHOR

Copyright 2003-2025, Phil Harvey (philharvey66 at gmail.com)

This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself.

REFERENCES

<http://partners.adobe.com/public/developer/pdf/index_reference.html>

Crypt::RC4

<http://www.adobe.com/devnet/acrobat/pdfs/PDF32000_2008.pdf>

<http://www.adobe.com/content/dam/Adobe/en/devnet/pdf/pdfs/adobe_supplement_iso32000.pdf>

<http://tools.ietf.org/search/rfc3454>

<http://www.armware.dk/RFC/rfc/rfc4013.html>

SEE ALSO

"PDF Tags" in Image::ExifTool::TagNames, Image::ExifTool(3pm)