Automatic naming systems for user uploads.
Older versions of extraction tools (like older WinRAR builds) have had vulnerabilities where simply opening a malicious archive could infect your PC.
Random names help bypass simple filename-based filters.
how to find file info in not-first rar file? · Issue #56 · markokr/rarfile
Unless you specifically requested this file from a source you trust, treat it with extreme caution. The Risks of Random Archives
Downloading and extracting unknown archives can expose your system to several threats:
There is no official database for every file name on the internet, but "ky6jeged1j12.rar" appears to be an . These are frequently used by: