The defending champion defeated Lebanon 9-0 on Sunday to end the Group C campaign with a perfect record of three wins.
Salar Aghapour (two goals), Hossein Tayebi (two goals), Mustafa Rhyem (own goal), Moslem Oladghobad, Bahman Jafari, Mohammad Hossein Bazyar and Mehdi Karimi were on target for Iran.
Iran had already defeated Indonesia 5-0 and Chinese Taipei 10-0 in its previous matches.