: Use a tool like TrID or the file command in Linux to confirm it actually is a RAR archive and not a different file type with a fake extension.
: Try "1234", "password", or the name of the website you downloaded it from. 15876987908.rar
: Be cautious; randomly named files are a classic delivery method for trojans. 2. Inspecting the File Safely : Use a tool like TrID or the