I don’t think the drive is totally dead, it is somehow reactive to commands, but I would not trust to use it.
You should be able to pull of at least some of the data, but there is no guarantee.
I would copy all what I can and then try to run a low level format and mark the bad blocks, then run the S.M.A.R.T. test to see if something change, but I would do it just out of curiosity.