Using visualization tools to determine if the contents are encrypted or compressed data.
Integrity and Provenance Analysis of Multi-Part RAR Archives: A Case Study of "Cmpdre.part2.rar" Cmpdre.part2.rar
If the source is unknown, upload the file to VirusTotal to check for embedded scripts. Using visualization tools to determine if the contents
Using hex editors to examine the RAR5 block structure of the second part. Cmpdre.part2.rar