[ X] Grab her and dive into the tall grass or thicket off the side of the deer path to hide.
With this option we have more to gain and less to lose.
Wait till the pursuers appear, save the girl: We'll have to run or fight, and judging by the noise the attackers are a group, mounted and well armed.
Wait till the pursuers appear, ignore the girl: We gain or lose nothing.
Save the girl now: When we grab her, the pursuers won't know were she went or that we're present, thus giving us an easier time escaping or getting the drop on them if we have to fight.
Grab the girl, turn her over: There might be a reward for helping to catch her.