Here is your set position:
Here is your pull position:
Basically you can't pull effectively from your set position which is why your hips rise to get you into the correct pull position. It's usually easier if you just make your set position the same, but as long as you pull from the correct position, you're not really doing anything wrong. I don't see anything that makes me think you're going to hurt yourself. The deadlift itself looks pretty good.