: You can upload the file to VirusTotal to see if multiple antivirus engines flag it as dangerous.

: Ensure you are using the latest version of your extraction tool from official sites like RARLAB to protect against known security holes. How to Open RAR Files on Windows, Mac, and Mobile - Avast

Downloading and extracting unknown .rar files from untrusted sources carries several risks:

: While rare in updated software, older versions of tools like WinRAR had vulnerabilities that allowed attackers to execute code simply by opening or extracting a specially crafted archive.