Do you receive a lot of suspicious files in your email, server or home machine?
Be aware of this kind of file as it might already being embedded with some other malicious code.
Virustotal run on a sandbox, offers free analysis service for scanning Virus and Malware files.
It keeps all the history about a file specification like its MD5 hash value, variant, antivirus scan details and the file API’s.
To perform the analysis you will need to upload the file for analysis and wait for the result.