Originally Posted by
poohhead80
My question is
If I book ICN-SFO-EWR on Premium Economy at 89.6K instead of ICN-SFO on Premium Economy at 97.3K and take only ICN-SFO, will it be considered as a hidden city ticketing?
Of course; that's specifically what you'd be doing.
Whether or not you'd get in trouble for it is another question entirely, but it's unquestionably HCT.