Asad Shafiq scored 34 and Jade Dernbach took two wickets as Pakistan were restricted to 124-6.
Earlier England set Pakistan a target of 130 to clinch the third T20 international cricket match.
Kevin Pietersen top-scored for England with 62 as the tourists made 129-6 after winning the toss. Saeed Ajmal with 4-23 was Pakistan's most impressive bowler.