Never download an .exe, .bat, or .msi file if you were originally looking for a video or a text document.
Ensure your operating system is set to "Show file extensions." Sometimes a file named SS_Mila_Video_01.txt.exe will appear as a text file but is actually a program that will run malicious code.
Is this related to a specific or archival project ?
This is the primary danger. Malicious actors often use highly searched "leak" keywords to entice users to download files. While a .txt file is generally safe, these sites often force you to click through "ad-walls" or download "special players" that are actually trojans or spyware. How to Browse Safely
This is the most critical part. While the search implies a video, a .txt file is a simple text document. The Hidden Risks of Media Text Files