Simply open the archive to view the file list.
The file might contain a "guide" that is actually a link to a fake login page designed to steal your credentials. BlackHistoryMonth.rar
Use tools like Hybrid Analysis to see what happens when the file is actually opened in a controlled environment. Simply open the archive to view the file list
If it contains anything other than .pdf , .jpg , or .mp4 , delete it immediately. delete it immediately.