: Use a tool like PowerShell or Terminal to find the file's SHA-256 hash. You can then paste that hash into VirusTotal to see if any security vendors have flagged it.
: Look at the "Date Created" and "Size." A very small file (under 1MB) with a generic number name is more likely to be a script or a scam document, whereas a large file (hundreds of MBs) is likely a data backup. 21409.rar
If you have this file and are curious about its contents, . Instead, follow these steps to generate your own "report": : Use a tool like PowerShell or Terminal