: This indicates it is the 5th part of a RAR archive. The "(2)" suggests it is a duplicate download of that specific part. Found Information
part05 (2).rar" . This filename appears to be a segment (Part 5) of a larger multi-part archive. Based on the naming convention, sc23979-VRCFIAv13242.part05 (2).rar
: Files shared through specific client portals or cloud storage. Important Security Note : This indicates it is the 5th part of a RAR archive
I couldn't find a public security or technical report for this specific alphanumeric string. These types of files are common in: sc23979-VRCFIAv13242.part05 (2).rar