A-PDF is a classic shareware tool. It is functional but old. The software uses weak obfuscation, making it a prime target for hackers to inject fake keys.
Hackers use the popularity of "apdf content splitter" to distribute ZIP files labeled keygen.exe or patch.exe . When you run these, you aren't getting a better key. You are joining a botnet. apdf content splitter registration key better
If you cannot afford a $49 PDF splitter, you cannot afford the $1,500 identity theft cleanup that follows downloading a registration key from a torrent site. Delete the search term. Install PDFsam. Split your documents safely. A-PDF is a classic shareware tool