The article came out and not only went into what can only be described as a rant about him not being pure-human wizard but a half giant cross breed, but also discussed his love of strange magical animals and the inappropriate care that had come in his lessons with a Hippogriff and Blast-ended-Strewts.

I can only imagine that she went to the Malfoys for that information because the Gryffindors never gave it to her.