"Hamas uses funds/donations to buy armaments for terrorism against Israel. " Sheesh. This is money to pay the wages of PA officials. If the money is withheld then they do actually notice, because they don't get paid. If that same money was siphoned off as you suggest then they'd notice that too, on account of them not getting paid......
Judge orders Jerusalem Gay Pride attacker to undergo psychiatric evaluation (Haaretz)
from the article: The robbery is going off without a hitch