Babar Azam hit three brilliant cover drives on the ropes before being dismissed for 26.
Cummins made a strong appeal for LBW, but the umpire dismissed it, only asking for a review and giving the decision, leaving the tourists at 39 for three.
Saud Shakeel received a serious blow to the collarbone from a Cummins lifter and in the Australian captain’s next over, he was caught by Carey for five, reducing his team’s score to 47 for four.
Captain Shan Masood was caught at second slip by Smith off Mitchell Marsh shortly after lunch on 32 but it was called a no-ball.
Two overs later, Marsh got the last laugh when on 35, Masood once again bowled the ball to medium pace bowler Smith in almost the same manner, taking Pakistan’s score to 96 for five.
Australia won the three-match series with a tense 79-run victory in the second Test in Melbourne on Christmas.
