http://yomofrbd7snzwtwqkg5c2nvyjzvakbexb7dctcouahhloyqqjlmxjbid.onion
OnionShare (.onion) (docs) (whonix Wiki) lets you securely and anonymously share a file of any size. It works by starting a web server accessible as a Tor onion service, with an unguessable URL that you can share with the recipients to download or send files.