Security firms have recently warned Mac users of a new Trojan horse that masquerades as a PDF document.

The malware was discovered by antivirus vendor F-Secure. “This malware may be attempting to copy the technique implemented by Windows malware, which opens a PDF file containing a ‘.pdf.exe’ extension and an accompanying PDF icon,” said F-Secure.

The Mac malware uses a two-step process that connects to a remote server controlled by the attacker, to send information gleaned from the infected Mac while also receiving additional instructions from the hacker.

Although Apple’s Mac OS X includes a bare-bones antivirus detector, it has not been updated to detect the just-noticed Trojan. If you are interested in protecting your Mac from the latest malware and virus scams contact MTI to discuss your security software options.