Currently for binary files git has heuristics described in gitattributes(5) and these only go as deep as text encoding autodetection and the ability to specify

Currently for binary files git has heuristics described in gitattributes(5) and these only go as deep as text encoding autodetection and the ability to specify the text encoding of a file or mark a file as binary. It's not sophisticated enough to know what kind if file it's looking at outside of just that.