[Boogieman]

This is a nonsense post. The file only contains the zip file header (a whole 2 characters that could be found randomly in any file), but the data after that does not conform to a zip file format.

There’s simply nothing there.

[Non-Compliant_Deplorable]

Steganography goes way beyond .zip files.

http://www.infosyssec.com/infosyssec/Steganography/techniques.htm

[ctdonath2]

“There’s simply nothing there.”

Then why is the file there?

The whole point of encryption is to make something look like nothing.