The text string is highly specific to the software piracy scene. It refers to a Keygen (key generator) or patcher used to illegally activate Autodesk software.
Modern software providers have almost universally shifted to SaaS (Software-as-a-Service) subscription models. Many users prefer the old "buy once, keep forever" model, leading them to look for legacy variants online. 3. The Severe Risks of Using 2021 Repacks
The request appears to relate to (xf), a well-known keygen tool used for activating Autodesk 2014 (adsk2014) software on 64-bit (x64) systems.