Penrith executive general manager rugby league, Phil Gould, said he was impressed by Hall's personality and enthusiasm.
"He possesses great athletic ability, and if desire counts for anything, he has a bright future ahead of him," Gould said.
"Josh is well aware of the challenges he faces but a successful transition will no doubt inspire others to follow.
"It won’t be easy for Josh but we will do everything in our power to make his dream a reality."