: Upload the file to VirusTotal to check it against over 70 antivirus engines.

Submit a file for malware analysis - Microsoft Security Intelligence

: Use an automated sandbox like Hybrid Analysis to see what the code does when executed in a controlled environment .

To generate a definitive report on this specific instance of the file, you should use established security tools:

: MCP is a toolkit used by modders to decompile, deobfuscate, and recompile Minecraft source code.