Scan the file with a tool like VirusTotal or built-in security software like Microsoft Defender.
: Often found on the Jingguan Home (经管之家) forum, formerly known as Pinggu, which is a popular platform for economic research and academic resource sharing in China. Safety and Security 54741 rar
Use reputable tools like 7-Zip or WinRAR to inspect the archive's contents before extracting. Scan the file with a tool like VirusTotal