Search-and-send PDF files
Again Didier Stevens demonstrates the danger that comes along with PDF files. In his blog he showed how easy it is to spread malicious PDF files in order to search-and-send confidential information to the Internet. His example shows, how he exploited a computer with a PDF file that automatically uploaded a file named budget.xls to Pastebin.com.


He used a 2008 vulnerability:
http://secunia.com/secunia_research/2008-14/