Well, the two sites that are posting her are Latina-centric sites. I found the name Kayden in the URL and on the pages. It's not out of the question that she may have a different name. Heck, how many of the models in tha archives have 2-4 names in their Subject line?
You're correct in saying that she doesn't look like a Latina that you normally see in the US, either with darker skin, more curves, or more texture in her hair. However, if you travel through the Carribean, especially in Puerto Rico or Cuba, there are many girls that you would assume are straight-on caucasian, but are native to the country. It shows they have a lot more Spaniard blood than native peoples. I know this as a fact because I'm Puerto Rican, but everyone I meet thinks I'm white or Italian.