You should check his translation with the Google translate one using a plagiarism checking tool and then add those results as well. That makes it easier to review this.
I am a Malaysian, and I know for a fact that this member was using Google translator, word for word.
No doubt. However, for the sake of the review please add plagiarism checking tool results.
Diffchecker does the trick and it will give you a result that looks like this:
(This is the first paragraph from the OTPPAY text you provided)

This result supports your 'word for word' claim as it shows no removals and no additions.
You should also archive the links you provide because a cheater can simply change his post when he sees this thread and afterwards claim that he's being harassed by some gooback out for his job.
Archive.today works fine I guess, this link contains the archived Malay OTPPAY ANN from user
'lamcouz'.