Security firm F-Secure has unearthed a troubling trojan for Macs that hides itself as a PDF, only waiting until the file is opened up and displaying some Chinese characters before it dives into your Mac's hard drive and sets up a backdoor control. Currently, according to F-Secure, the backdoor doesn't actually do anything harmful, but obviously that could change in the future, either if the original hackers take advantage of the trojan, or if someone else does.
F-Secure says that the trojan currently doesn't have an icon associated with it, so in the current spotted form, it should be pretty easy to identify as a virus (especially if it shows up in just a random email). But if the trojan is emb
