Yes, off course there are lot of chances of backdoored.
Check them manually..
Webmaster Security
Do nulled scripts contain malware?
Submitted by leemonadestand, 19-05-2019, 08:16 AM, Thread ID: 130912
Thread Closed
RE: Do nulled scripts contain malware? 18-05-2020, 05:00 AM #22
18-05-2020, 05:00 AM
#22