A very surprising result, but in two previous 10Ks this year she has taken set from top-500 and top-300 players. These are her only three tournaments this year - haven't played at all outside of Israel - so it is intriguing to see her on a full schedule.
(Here's a somewhat similar post on Julia Glushko
from early this year when she was ranked around #750, already with a 10K title from late 2007 - hopefully much like Aliev tomorrow. I'd say she had made some progress since then...