The Members Forum

Fascinating research by Florian Zumbiehl demonstrates the possibility of digital signature collisions in PDF files.

PDF is synonymous to most people with Adobe and their Acrobat products, but the file format is an open ISO standard (ISO 32000-1:2008) and many software products implement it, from alternative PDF reader products like Foxit to Microsoft Office to the ebook reader on Apple's iPad. They all rely on the specification for rules on how to read and write PDF files.

PC Mag has the details HERE!