If you are using the pirated iWork 09 from the torrent network (instead of just downloading from Apple and use purchase a serial, you might be in serious trouble). According the friendly people at Intego, their security alert showed that more than 20,000 might have been infected with the virus: iWorkServices
It has indeed dawned on me that the mac people are generally not equipped with virus prevention software. Though these virus rarely spread on a real Mac hardware, as comparing with thsoe hacked PCs. The starting of threat of virus might be exaggerated. Soon enough, marketing department will roll out more schemes to ask people to buy in. Or are they simply bored just to create the virus?