If this was an unsolicited email attachment or a "free" version of paid software, it is almost certainly malicious.

Cyberattackers often use randomized strings for filenames to bypass basic security filters. If you found this on a suspicious download site, it may contain a Trojan or ransomware.

Especially if it asks for a password or requires you to disable your antivirus.

It could be a personal backup or a "split" archive (part of a larger set) where the name is obfuscated for privacy.