If the file requires a password provided by the sender, your antivirus may not be able to scan the contents before you open it, which is a common tactic for bypassing security.
Unusual filenames ending in .zip are often used to distribute malware or ransomware. Download GMEVDER TNK zip
If this is for a specific industry or niche (such as a local government report or a specialized internal document), I recommend checking the official website of the organization that supposedly issued it. If the file requires a password provided by