Files named in this specific format (concatenated version numbers and architecture in the filename) often originate from peer-to-peer (P2P) sites or third-party "repack" forums rather than official Adobe servers.
Another, more concerning possibility is that AA.25.0.0.047.X64.rar could be a malicious file. Cybercriminals often use RAR files to distribute malware, as the format allows for easy compression of executable files. However, without further context or analysis, it's speculative to label AA.25.0.0.047.X64.rar as malicious solely based on its name. AA.25.0.0.047.X64.rar