On the heels of a warning that malicious executables can be embedded into PDF files and launched with minimal user interaction, Adobe is suggesting that users configure its PDF Reader product to limit the damage from an attack. Here are the instructions for mitigating a potential attack: Users can also turn off this functionality in the Adobe Reader and Adobe Acrobat Preferences by selecting > Edit > Preferences > Categories > Trust Manager > PDF File Attachments and clearing (unchecking) the box “Allow opening of non-PDF file attachments with external applications” This is what it looks like:
