Maybe it's malware, I haven't checked, but that seems like a pretty typical trajectory to me. I posted a project on HN and got a graph of roughly the same shape (though a much more modest magnitude). https://www.star-history.com/#maxbondabe/attempt&type=date&l...

Star counts go vertical when you launch your project and it's warmly received. ~850 stars in 11 days for an AI project doesn't seem at all crazy to me.

The README also contains a mild inducement to star the repo.

> Star Us on GitHub and Get Exclusive Day 1 Badge for Your Networks

Seems sufficient to explain any inauthentic behavior. Growth hacking tactics are certainly not typical of open source projects, but how that should factor into your judgment of this project's trustworthiness, I can't say. Caveat emptor.