Is the website listed on trusted piracy-vetted megathreads (like the Reddit r/Piracy or r/CrackWatch megathreads)? If it is a random blogspot or a standalone forum thread, avoid it entirely.
Downloading "highly compressed" files from third-party sites exposes users to the following threats: Call Of Duty 4 Modern Warfare Highly Compressed 1.4 Gb -HOT