The concept is based on US drones from the 1970s. Iran already operated US supplied Beech MQM-107s supplied during the Shah period. They recently produced their own copy and paraded it a few years ago.
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These are all based on US designs by Beech. The design has simply been updated to do away with the under fuselage podded engine.
See concept of twin-fin tails on Beech Streaker drone from 1980s. South Africa took the concept and designed their Skua drone.
[2.0] Modern US Target Drones
Iran has displayed this new drone variant armed with Kowsar anti-ship missiles. For Iran it makes perfect sense to develop these type of weapons and mass produce them. The aim would be to saturate a naval target via a number of methods. The Iranians have stated that they will mass produce an armed variant of the Bladerunner speedboat.
Iran navy produces armed copy of Bladerunner 51 speedboat - Telegraph
Iran also obtained a number of AS-15 Kent (Kh-55) cruise-missiles via Ukraine during an illicit arms sale. Technology from the 1980s, but you can expect Iran to exploit it.
Ukraine Admits Missile Transfers | Arms Control Association
Raduga Kh-55 - Wikipedia, the free encyclopedia
TJ