malign
/mə-ˈlīn/
adjective
evil in nature, influence, or effect : injurious
malignant, virulent
having or showing intense often vicious ill will : malevolent
the malign effects of illicit drugs
a malign lesion
verb
to utter injuriously misleading or false reports about : speak evil of
Her supporters say that she has been unfairly maligned in the press.