PDFStreamDumper is a free, open source tool to analyze malicious PDF documents.

It breaks down a PDF into its distinct elements allowing you to see into its internal structures. With it you can extract embedded files, scripts, view headers, etc. PDFStreamDumper also includes a Javascript interface that allows you to work live with Acrobat scripts .

Application interface also includes specialized tools that allow you to analyze shellcode, decompress files, perform various brute forces and more. See the download page for more details.