According to KingFut, the 25-year-old signed a deal that will keep him at the club until the summer of 2021.
Silva joined 2016 CAF Champions League winners Mamelodi Sundowns after his contract with Greek outfits Levadiakos ended last March. He departed Masandawana just after six months.
The Guinea Bissau international previously played for Benfica and Liverpool at youth levels
Ittihad currently sit at 13th place in the league after playing 19 matches.
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