An attacker uncovered websites a target individual was frequently Suring. The attacker then tested those particular websites to identify possible vulnerabilities. After detecting vulnerabilities within a website, the attacker started injecting malicious script/code into the web application that would redirect the webpage and download the malware on to the victim's machine. After infecting the vulnerable web application, the attacker waited for the victim to access the infected web application. Identify the type of attack performed by the attacker.