I can see those thoughts being more intuitive rather than anxiety, Hvert. Though it could be like what Little Lulu had said.

Just because something pops up like that doesn't always mean that it's meant to be. My last job had just popped up and I didn't like as well as my current which I had to put more effort into finding.

I would suggest maybe taking a piece of paper and writing the positives and negatives if you still want to question it after reading my post. Or otherwise just take it and find another job in the mean time of working there.