Maybe. But this is according to a paraphrase of unverified (possibly not even American) intelligence. Both the document's authority and origin are disputed, and the WSJ can't even say which department or agency wrote this. This does not seem like any sort of official US intelligence report.
A reasonable look at this particular claim and the history of similar types of claims: https://twitter.com/pwnallthethings/status/13965771532323799...