From
https://www.unforgettable.dk/ :
"The file contains 16 zipped files, which again contains 16 zipped files, which again contains 16 zipped files, which again contains 16 zipped, which again contains 16 zipped files, which contain 1 file, with the size of 4.3GB. So, if you extract all files, you will most likely run out of space :-)"
Why recursively extract zip files? Well maybe a security tool is truing to inspect or process zip file contents