Internal company files or customized tools.

Compressed formats can sometimes hide malware from basic security scans. How to safely check the contents:

Could you share or what you expected it to contain? Knowing the context (e.g., a game mod, a school project, or a specific forum) would help me identify the exact text you need.

Look back at the website or message where you found the link. Often, the "text" or instructions are provided in a "README.txt" inside the archive or on the original download page.