If you are investigating this file as a potential threat, it is likely tied to recent exploits targeting the WinRAR software.
A detailed paper on such a file would typically involve several stages of malware analysis: What is Malware Analysis - VMRay Download ANSLDR rar
A high-severity path traversal vulnerability that allows attackers to use Alternate Data Streams (ADS) to write files (like malicious DLLs or loaders) to arbitrary system locations, such as the Windows Startup folder. If you are investigating this file as a