Using someone’s likeness without their consent is a violation of their "Right of Publicity." If the content is explicit, it can fall under non-consensual intimate imagery (NCII) laws, which are increasingly prosecuted as felonies.
Where do these images come from? Generally, they fall into three categories: ewhoring pack
This is the "gold standard" of packs. It includes photos of the model holding a blank piece of paper or a specific object. Sellers then use Photoshop to add a username to the paper to "prove" the account is real. Using someone’s likeness without their consent is a