Alireza Basij, Ali Salimi, Shahin Fasihi and Iman Mohebi were on target for Iran.
Iran is drawn in Group B along with Brazil, the Netherlands, Italy and Cameroon.
The Deaflympics had initially been scheduled to take place from December 5 to 21 in 2021, but was postponed due to COVID-19 complications.
There are 209 events in 17 sports on the Deaflympics program.
Athletics, badminton, cycling, golf, judo, karate, orienteering, shooting, swimming, table tennis, taekwondo, tennis, wrestling, basketball, football, handball and volleyball are the 17 sports.
The last summer Deaflympics took place in 2017 in the Turkish city of Samsun.