Muwatta Malik 864
موطأ مالك#864SahihThese are the words of a Companion, not of the Prophet ﷺ. The chain is graded on its own terms.
وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ ثَوْرِ بْنِ زَيْدٍ الدِّيلِيِّ، عَنْ عِكْرِمَةَ، مَوْلَى ابْنِ عَبَّاسٍ قَالَ لاَ أَظُنُّهُ إِلاَّ عَنْ عَبْدِ اللَّهِ بْنِ عَبَّاسٍ، أَنَّهُ قَالَ الَّذِي يُصِيبُ أَهْلَهُ قَبْلَ أَنْ يُفِيضَ يَعْتَمِرُ وَيُهْدِي .
Yahya related to me from Malik from Thawr ibn Zayd ad-Dili that lkrama, the mawla of Ibn Abbas, said, (and Thawr believed it to be from Abdullah ibn Abbas), "Someone who has intercourse with his wife before he has done the tawaf al-ifada should do an umra and sacrifice an animal
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: 20:160