Pakistan, who won the toss and opted to bat, were bowled out for 282 in their first innings on the first day of the second Test in Abu Dhabi on Tuesday.
Debutant Fakhar Zaman and skipper Sarfraz Ahmed both scored 94 and togther added 147 for the sixth wicket after Pakistan were jolted by spinner Nathan Lyon with four wickets off six balls in the first session.
Lyon finished with 4-79 while leg-spinner Marnus Labuschagne took 3-45.
The first Test ended in a draw.
Australia: Tim Paine (capt), Aaron Finch, Travis Head, Jon Holland, Usman Khawaja, Marnus Labuschagne, Nathan Lyon, Mitchell Marsh, Shaun Marsh, Peter Siddle, Mitchell Starc
Pakistan: Sarfraz Ahmed (capt), Azhar Ali, Mohammad Hafeez, Fakhar Zaman, Babar Azam, Asad Shafiq, Haris Sohail, Yasir Shah, Bilal Asif, Mohammad Abbas, Mir Hamza
Umpires: Sundaram Ravi (IND) and Richard illingworth (ENG) Tv umpire: Richard Kettleborough(ENG) Match referee: Ranjan Madugalle (SRI)