I don't recommend trying to rent an apartment, or even share one, long distance. As you said, there are too many scammers. I think it would be ideal to contact a local property manager, find an apartment, then find a roommate to share it with. If you have questions, call me. I do not handle any rentals.
Talk to her parents, they can certainly help you as well.
(RA) MBA, e-PRO, REALTOR®
East Oahu Realty