The exploit allows you to convert EXE to .PDF file its coded 100% from scratch and used by private methods to assure a great stability and long-lasting FUD time. You are able to attach it to all email providers and nowadays everyone uses Adobe Reader or PDF Reader so it gives a huge chance of success.

Why do you need a PDF Exploit?
To convert your .exe into a real .PDF file this way you will be able to attach it to any email provider and your clients can easily access the .PDF file which will run the .exe file.