If you still have the file, upload it to VirusTotal to see if multiple antivirus engines flag it as malicious.

The file is a generic filename frequently used by attackers to distribute malware, including info-stealers, ransomware, or trojans . Because .rar files are compressed archives, they can easily hide executable threats that bypass basic browser filters. Security Assessment

If you already opened the file, run a full system scan with a reputable antivirus like Microsoft Defender or Malwarebytes .