malicious advertising; deceptive ads
Refers to online or offline advertisements that are harmful, misleading, or fraudulent, such as phishing ads, fake news promotions, or malware-distributing banners.
Many malicious ads are displayed on this site.
Please be careful not to click on malicious advertisements.
迷惑広告 is a broader term for annoying or intrusive ads, while 悪質な広告 specifically implies malicious intent such as fraud or malware.
スパム広告 refers to unsolicited bulk advertising, often via email or comments, whereas 悪質な広告 emphasizes the harmful nature of the ad content.
Compound of 悪質 (malicious, of bad quality) + な (attributive form of copula) + 広告 (advertisement). The phrase is a straightforward modern coinage reflecting concerns about harmful online advertising.