Use a reputable tool like Malwarebytes or upload the file to VirusTotal to check for malicious signatures before extraction.
If you have the file locally, you can sometimes find clues about its origin by checking the "Properties" or using a hex editor to look for file headers. !XDAB_(72).rar
Since the contents of this .rar file are unknown and the name appears non-standard, please exercise caution: Use a reputable tool like Malwarebytes or upload
Certain encryption or compression tools generate unique, non-descriptive filenames for security or internal indexing. !XDAB_(72).rar