The image below shows a clear use of aimbot and a damage modifier. I've highlighted the weapons that have the most suspicious stats. Getting a 98% DPS with the QBU is nearly impossible and there is no way to obtain a 40% HSK with the BULLDOG without an aimbot.

http://battlelog.battlefield.com/bf4/battlereport/show/1/898441788014888832/352052449/

damage mod