اختبار شهادة Certified Ethical Hacker (CEH) V13

You are tasked to perform a penetration test. During information gathering, you find an employee list and the receptionist’s email. You send her an email spoofed to appear from her boss’s address and request a PDF. She replies with a PDF containing links; you replace the links with malicious ones and send it back saying the previous links didn’t work. She opens them and her machine is infected, giving you access to the network. What testing method did you use?