[orlov]

Mh, his af of 1.2 might be low, but dont forget that his range is also very wide, thus he is pretty aggressive compared to the average hand he holds, so it is quite possible that he could be doing this with a draw.

He could be doing this with qq/jj as well as with a set and some odd 2pair hands. Mayb even a10 or K10 and of course some FDs with overs and some OESFDS.

Id run his range through poker stove but it keeps freezing by me :S.

Id guess that you are behind his range tough as the overpairs and tptk hands are very unlikely for him to shove with, without a better read regarding how he plays tptk/overs on drawy board id fold this.