Because the filename is obfuscated, the contents are unknown. It is highly recommended to scan the file with VirusTotal or similar antivirus software before attempting to extract or run any files contained within. Do you have the total number of parts for this archive, or
High-definition video files or software packages distributed via peer-to-peer (P2P) or Usenet networks. Private backups or encrypted system archives. How to Use This File 1badfd03c310448c89a725d8a210025e.part026.rar
If you suspect the file is corrupted, you can perform a Checksum check. If the filename itself is indeed the MD5 hash, you can use a tool like MD5summer to verify if the downloaded file matches that specific string. Because the filename is obfuscated, the contents are unknown