Two extant passports with the same data means at least one of them is fake. Probably both.
"PASSPORT TO TERROR: MailOnline reporter buys Syrian papers being sold to ISIS fighters sneaking into Europe hidden among refugees":
"Our reporter was able to buy a Syrian passport, identity card and driving licence from a fraudster in a Turkish border town this week.
The genuine documents were stolen from Syria when they were blank. The forger added our reporter's picture and gave him the identity of a Syrian man from Aleppo killed last year."and:
"The forger explained that the militias fighting the forces of Assad make a beeline for government offices when they over-run a town. They know the value of the documents there and steal the passports, papers and even the printers that are used to create identity cards and driving licences."