The correct forum for your question is the site-specific one, not this. Maybe a mod will move it. @Captain Ewok is the person to field inquiries about ads.
Expect scrutiny. Not only is it Pakistan (heavily vetted, high fraud), but if you’ve been living separately for 12 years, it will be hard to show you have bonafide marriage.
They are asking for a copy of the I-129-F form that YOU submitted to USCIS.
There is no way some “place” in Jordan would make that “seem original and valid.”