Type name: application Subtype name: pdf Required parameters: none Optional parameter: none Encoding considerations: binary Security considerations: See Section 7 of RFC-hardy-pdf-mime-05. Interoperability considerations: See Section 5 of RFC-hardy-pdf-mime-05. Published specification: ISO 32000-2 (PDF 2.0) [ISOPDF2] is the most recent. Applications that use this media type: See Section 6 of RFC-hardy-pdf-mime-05. Fragment identifier considerations: See Section 3 of RFC-hardy-pdf-mime-05. Additional information: Deprecated alias names for this type: none Magic number(s): All PDF files start with the characters "%PDF-" followed by the PDF version number, e.g., "%PDF-1.7" or "%PDF-2.0". These characters are in US-ASCII encoding. File extension(s): .pdf Macintosh file type code(s): "PDF " Person & email address to contact for further information: Duff Johnson , Peter Wyatt , ISO 32000 Project Leaders Intended usage: COMMON Restrictions on usage: none Author: Authors of this document Change controller: ISO; in particular, ISO 32000 is by ISO/TC 171/SC 02/WG 08, "PDF specification". Duff Johnson and Peter Wyatt are current ISO 32000 Project Leaders.