Why does «مَالَهُ أَخْلَدَهُ» have major ṣilah when linked?

Al-Māʿūn and Al-Humazah: Applied Assimilation, Concealment, Madd and Hāʾ Rules

• Mīm sākinah follows hāʾ
• Two lāms meet
• The word ends in tanwīn
• Hamzat al-qaṭʿ follows pronominal hāʾ