High . Files with this naming structure (a random number followed by "best") are common indicators of automated spam or targeted malware delivery [1, 3].
RAR files of this nature often contain Trojan horse software, Ransomware , or Infostealers designed to harvest browser passwords and financial data [2, 4]. 836 best.rar
If the file came from a colleague or friend, contact them via a different platform (like a phone call) to see if their account was compromised and if they actually sent it. Potential False Positives 836 best.rar