It seems that macro based document are, again, used to spread malware. Even the Malware Protection Centre from Microsoft mentioned it recently. Seems like an old trick, but apparently works like a charm. Most probably users trust too much Office documents as they keep exchanging them multiple time per day as part of their business/private activities. Most malicious Office documents have a macro that actually download a malicious file. Let’s see a quick way to have a better view on what exactly is happening.