diff --git a/pdf/2006-Practical_Onion_Hacking_Finding_the_real_address_of_Tor_clients.pdf b/pdf/2006-Practical_Onion_Hacking_Finding_the_real_address_of_Tor_clients.pdf new file mode 100644 index 000000000..92e10e698 Binary files /dev/null and b/pdf/2006-Practical_Onion_Hacking_Finding_the_real_address_of_Tor_clients.pdf differ