If you are looking for a "long paper" in the sense of an academic study, you might be interested in the technical mechanics of the 7-Zip archive format. This includes details on its high compression ratio, AES-256 encryption, and issues like handling long file paths .
Could you clarify if you are researching or if this is a specific file you encountered in a security report?
Files with such random alphanumeric names are often associated with: