Pdfinfo

pdfinfo is a small utility which shows (parts of) the metadata stored in PDF files. It is part of the xpdf package.

Example

$ pdfinfo nsa-redact.pdf Title:          Redacting with Confidence:  How to Safely Publish Sanitized Reports Converted from Word to PDF Subject:        I333-015R-2005 Keywords:       word, pdf, redaction, metadata Author:         SNAC Creator:        activePDF DocConverter Producer:       5D PDFLib CreationDate:   Tue Jan 10 11:15:26 2006 ModDate:        Fri Jan 20 09:05:43 2006 Tagged:         no Pages:          14 Encrypted:      no Page size:      612 x 792 pts (letter) File size:      681417 bytes Optimized:      yes PDF version:    1.3

The -meta command line option shows some more metadata (in XML.