This wallet already appears to have been loaded into Bitcoin Core previously... in Mid-December 2020... and it has "refilled" the keypool with a bunch of new private keys/addresses. The 0014 privkeys and "3" addresses are the P2SH versions of the private keys.
What exactly has your "friend" done with this wallet.dat before they gave it to you?
How was it "recovered" to start with?
What exactly has your "friend" done with this wallet.dat before they gave it to you?
How was it "recovered" to start with? He emailed the wallet.dat to himself, I'm going to have him fw me the original email, as I'm assuming he did something with it before he sent it to me.