Since "pack 1203.rar" is a common naming convention for batch uploads, its contents depend entirely on where you found it:
If the "pack" is only a few kilobytes but claims to be a large game mod, it is likely a shortcut to malware. pack 1203.rar
If the RAR asks for a password and directs you to a survey website to get it, it is a scam. Since "pack 1203
I can help you verify if it's a known mod or a potential risk. pack 1203.rar