Duplicating another's handwriting was simple enough with the right spell. She tried to convince herself that there was no possible way the request that she trust Malfoy was genuine. Besides the simple fact that the person purported to have written the message hadn't even been in the country for the past few years that she was aware of, what could there possibly be to gain from trusting Malfoy when he said he wasn't there to drag her back to the feet of their master?