Yes, doubtful it is not fraud, just because you didn’t sign a contract does not prevent it from being fraud.

And it is fine to use the terms click fraud when you conduct artificial clicks with the intent:

Examples:

https://integralads.com/insider/what-is-click-fraud/#:~:text...

One of the top leading company of traffic filtering is literally using these words to describe that.

Other users even 10 years ago:

https://news.ycombinator.com/item?id=13328628

+ sources from court:

> The opinion states: “click fraud” can occur when “either a (natural) person, automated script, or computer program, sometimes referred to as a `bot,’ simulates the click activity of a legitimate user by clicking on the Program Data displayed, but without having an actual interest in its subject matter or content.”

Etc