Muwatta Malik 849
موطأ مالك#849SahihThese are the words of a Companion, not of the Prophet ﷺ. The chain is graded on its own terms.
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، كَانَ يُجَلِّلُ بُدْنَهُ الْقُبَاطِيَّ وَالأَنْمَاطَ وَالْحُلَلَ ثُمَّ يَبْعَثُ بِهَا إِلَى الْكَعْبَةِ فَيَكْسُوهَا إِيَّاهَا .
Yahya related to me from Malik from Nafi that Abdullah ibn Umar used to drape his sacrificial animals in fine Egyptian linen, saddlecloths and sets of clothing, which he would afterwards send to the Kaba and have the Kaba draped with them
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:
In-book reference: 20:145