This reminds me of this [1] talk at 28c3 (Ang Cui on how to exploit HP printers by sending a modified PDF to them). Which lead to one of the most hilarious IT-Sec headlines [2]

[1] https://www.youtube.com/watch?v=njVv7J2azY8 [2] http://gawker.com/5863388/hackers-could-turn-your-printer-in...