To see what is inside "AN (3).rar," you will need an extraction utility since Windows and macOS do not always support RAR files natively:

Most web browsers automatically add "(1)", "(2)", or "(3)" to a filename if you download the same file multiple times to the same directory.

Compressed files are a common way to distribute malware because the contents are hidden until opened. If you do not recognize the source of "AN (3).rar," it is recommended to: Scan it with an antivirus tool like Malwarebytes .