It’s not difficult to imagine that Iran, which has a considerable Kurdish problem itself, might not be enthusiastic about the PKK reaching a peace deal with the Turks – not least because Iran has intermittently supported the PKK in its war against Turkey.

Moreover, the Paris hit bears a striking resemblance to an operation carried out by the Pasdaran, the feared Revolutionary Guards Corps, in Vienna in 1989.
Link:http://20committee.com/2013/01/11/kurdish-whodunit/

It is worth reading the author's bio first, it does add credibility.