The 28-year-old player has joined the Iranian football club for an undisclosed fee.
Aurélio Iubel has played for Brazilian clubs Vitória, Vila Nova, Paraná Clube, Mirassol FC and Portuguese clubs Vitoria Guimaraes and Maritimo Funchal.
Saba finished ninth in the Iran Professional League last season.
The 14th edition of the IPL will kick off on July 31.