Trustworthy sites such as The New York Times, BBC, MSN, AOL and many more are on the verge of losing their face value as a malwertized advertisement campaign are looming around the websites. The malicious Ad redirects the user to a malicious website that hosts Angler Exploit Kit (AEK) to infect visitors by installing malware and ransomware on their computer. Cyber criminals behind this advertising campaign made use of an expired website domain of Brentsmedia, an online marketing solution who discontinued their service earlier 2016.
Source: https://thehackernews.com/2016/03/what-is-malvertising.html