[2] Born in Kampung Sungai Manggis, Kuala Kalumpang, Hulu Selangor, he was of Minangkabau descent from Rao, West Sumatera.

Muhammad is a graduate from Universiti Malaya with a first-class degree in History and Malay studies, and was also a former teacher at SMK Kuala Kubu Baru.

[14] On 17 September 2017, Muhammad rejoined UMNO announced by Najib Razak in a special media conference after leaving it to be with the opposition for four years.

[17] In 1997, Muhammad was forced to resign after he was charged in Australia with making false currency declarations after millions of dollars were found in his suitcase as he was leaving the country.

He and his wife stay a few weeks in Brisbane and wishing to build a luxury house on a 4,500 hectare land at Gold Coast, in Queensland.

The land at Sovereign Island was registered under his wife's name Asbi Rohani Binti Asnan which was bought a year earlier for $3 million.

[23] Muhammad married his first wife, Asbi Rohani Asnan, during his early teaching days in Tanjung Malim and they have four daughters and one son together.