Qur'an

Virtues of reciting Surah Hashr

Q: Surah Hashr - The Messenger of Allah (sallallahu alaihi wasallam) said: Whoever recites Surah Hashr then none from among Paradise, Hell, Arsh (Allah’s Throne) Chair, Curtains, the seven Skies, the Seven earths, space, wind, birds, trees, mountains, Sun, Moon, and angels would miss seeking forgiveness for him and yearning for his safety. If that man dies that day or that night he would die a martyr. 

Is this authentic? Does one have to recite this Surah everyday to get this virtue?

Giving one's own interpretation of the Quraan Majeed

Q: I went to visit a family member. They had some notes lying around. They told me they were going to do a tafseer class. I read over the notes and found some very strange explanation of the Quraan. 

When I looked in the tafeer, I noticed the notes were from Ma'ariful Quraan but they had added their own interpretation trying to say a Surah is promoting Dunya. 

Will a person who twists the tafseer to suit him be a kafir or what will his status be?