Hadi had to settle for bronze after beating Anzor Khizriev from Russia 11-2 in the 125kg.
Georgian Geno Petriashvili defeated Chinese Zhiwei Deng in the final match to win the gold medal.
More than 850 wrestlers from 97 countries are competing in Budapest to win one of the 30 world titles in freestyle, Greco-Roman and women's wrestling.
The championships will run through Oct. 28.