The suspect was caught on camera withdrawing the money from a Bensalem bank.
Police say she used the victim's personal information including a doctored driver's license with the suspect's picture and the victim's information.
Police say she tried the same thing at a bank in Langhorne, Pa.
Police are looking for a white female with dark hair who appears to be pregnant. She was wearing an orange shirt, black pants and dark open-toe sandals.
Anyone with information is asked to contact Bensalem Police Detective John Monaghan at 215-633-3668.