Spoofing File Extention - A trick.
Use the Kali Linux Program - Characters
1. Open the program.
2. Find Right-to-left Override.
3. Copy Character and paste to the notepad.
4. Rename the evil file.
5. Note: To avoid the browser replace the character, compress it.
6. Download and extract to the Windows Folder.
7. Open this "pdf" file and the communication is established.