I think in the book she only has one dress and two pairs of leggings, one of which she cuts into shorts. So that bit would make sense. And there are apples on that tree, it’s not an oak. Unless my eyes deceive me!!
The boxes beside the rucksack are weird. As you say, they don’t look like kit that belongs to the hikers, but equally if you were staging retrospective shots, wouldn’t you do a better job of making it look legit?