Muwatta Malik 483
موطأ مالك#483SahihThese are the words of a Companion, not of the Prophet ﷺ. The chain is graded on its own terms.
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ، أَنَّهُ قَالَ رَأَيْتُ عَبْدَ اللَّهِ بْنَ عُمَرَ يَسْجُدُ فِي سُورَةِ الْحَجِّ سَجْدَتَيْنِ .
Yahya related to me from Malik that Abdullah ibn Dinar said, "I saw Abdullah ibn Umar prostrate twice in Surat al-Hajj (Sura)
Scholarly Authentication
The label above is the grade most of these scholars gave — one dissenting opinion no longer speaks for all of them. If any scholar calls a narration fabricated, that verdict is shown instead, whatever the others say. Each scholar's own wording:
Salim al-HilaliMauquf Sahih
In-book reference: 15:14