Unless you are 100% certain of the source and the content of "2845 Roghan.rar," it is safer to avoid downloading it. Your data security is worth more than a mystery file.
RAR files can be password-protected to prevent antivirus software from scanning their contents until they are extracted on your computer.
Use a reputable service like VirusTotal to upload the file (or the URL) and check it against dozens of antivirus engines.