some people on reddit and fedi managed to find out who "Nicole the Fediverse Chick" was, and apparently the entire spamming campaign is orchestrated by the stalker of the person in the images.

they're using pictures and video of someone they stalked and pretending to be Nicole.

https://www.reddit.com/r/fediverse/comments/1jdg2mt/anyone_know_what_this_is/