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Format

Acrobat PDF 1.7 - Portable Document Format

Summary

Name
Acrobat PDF 1.7 - Portable Document Format
Version
1.7
Identifiers
  • MIME: application/pdf
  • PUID: fmt/276
Format type
Page Description
Description
Portable Document Format is a platform-independent format for representing formatted documents, developed by Adobe Systems Incorporated. It is the native format of Adobe’s Acrobat family of software products, version 1.7 corresponding to the release of Acrobat 8.0 and 9.0. PDF is based on, and shares the same imaging model as, the PostScript page description language. A PDF file comprises a Header section, a Body section containing the objects which make up the document, a Cross Reference Table, and a Trailer section. PDF files can contain a wide variety of content, including text, images, video and audio.
File extensions
pdf
Submitted by
Digital Preservation Department / The National Archives

Relationships

Has lower priority than
Has priority over
Is subsequent version of
Is supertype of

Internal signatures

PDF 1.7

Description
BOF: %PDF-1.7 EOF (offset up to 1024 bytes): %%EOFF(.|F.|F..|F..)
Provenance
DROID signature research.

Byte sequences

Min Frag Length
Absolute from BOF
Offset
0
Max offset
1
Byte Sequence
255044462D312E37
Endianness
None
Min Frag Length
Absolute from EOF
Offset
0
Max offset
1024
Byte Sequence
2525454F(46|460A|460D|460D0A|460D00)
Endianness
None

Changelog

  • V103

    Release date
    11 March 2022
    • Updated

      Acrobat PDF 1.7 - Portable Document Format: Changed maximum byte offset from 0 to 1. Submitted by The National Library of Australia.

  • V98

    Release date
    27 October 2021
    • Updated

      Acrobat PDF 1.7 - Portable Document Format: Given priority over MPEG 1/2 Audio Layer 3 fmt/134 due to rare clash condition.

  • V88

    Release date
    27 September 2016
    • Updated

      Acrobat PDF 1.7 - Portable Document Format 1.7: Gave priority over x-fmt/453 - TrueType Font. Suggested by Archives New Zealand.

  • V75

    Release date
    17 July 2014
    • Updated

      Acrobat PDF 1.7 - Portable Document Format: EOF offset increased in accordance with Adobe PDF documentation.

  • V60

    Release date
    11 June 2012
    • Updated

      Acrobat PDF 1.7 - Portable Document Format: Mime-type information added.

  • V58

    Release date
    21 March 2012
    • Updated

      Acrobat PDF 1.7 - Portable Document Format: Signature refined through PRONOM Research.

  • V49

    Release date
    5 April 2011
    • Updated

      Acrobat PDF 1.7 - Portable Document Format: Existing signature refined through PRONOM Research.

  • V38

    Release date
    1 August 2010
    • Added format

      Acrobat PDF 1.7 - Portable Document Format: Full entry added

    • Added signature

      Acrobat PDF 1.7 - Portable Document Format: Signature developed through DROID 5.0 research