: Apps like RAR by RARLAB for Android or various file managers on iOS can open these archives.
The file appears to be a compressed archive. Based on the filename and "proper paper" description, it likely contains a research paper, academic document, or software-related documentation. v24ddr2pnb.rar
: You can use the unrar command or p7zip to access the archive. : Apps like RAR by RARLAB for Android
If you're comfortable sharing more, I can help you find a specific version of this document or explain the concepts inside: The where you found this file it likely contains a research paper