In November, Google announced that Safe Browsing would protect you from social engineering attacks. These tactics try to trick you into installing unwanted software or revealing your personal information. embedded content (like ads) on a web page will be considered social engineering when they either:Pretend to act, or look and feel, like a trusted entity like your own device or browser, or the website itself. These buttons seem like they will produce content that relate to the site (like a TV show or sports video stream) by mimicking the sites. They are often not distinguishable from the rest of the page.”]
Source: https://security.googleblog.com/2016/02/no-more-deceptive-download-buttons.html