PDF file displays misplaced text in my Nitro PDF Pro 5 also. Sent this pdf to Nitro PDF tech support and received this reply:

"Thanks for sending through that file. That's an issue with our renderer -- I've created a bug case for this and we'll have it resolved in a future build of Nitro Pro."

Chris Dahl - Chief Technology Officer
Nitro PDF Software
http://www.nitropdf.com