On December 15, 2009, critical zero-day vulnerability in Adobe Reader and Adobe Acrobat was announced with the exploit code. Taking advantage of this flaw, Hacker may create a .pdf file containing the exploit code on a website, tricking users to click on the link to the file. The malicious code will then be executed and hacker gain control over the computer.
The exploit code in pdf file
In the meantime, the pdf file containing malicious code to exploit this flaw has become available. Additionally, Adode has officially acknowledged this critical vulnerability, but they cannot issue the patch yet. Thus, Bkis recommends users to be cautious with unknown links or email attachments.: