I can give you more specific advice on whether it's safe to open.

you were expecting (e.g., documents, images, software)

Because this is not a standardized file associated with a specific software or known, legitimate package, here is a general guide on how to safely handle and open this type of file. ⚠️ Security Warning: Handle with Care

"afaf.rar" appears to be a generic or placeholder filename for a compressed archive file (indicated by the .rar extension) [1].

Choose the option to extract, such as or "Extract to [Folder Name]" using your installed software (e.g., WinRAR or 7-Zip).