That's (for the most part) impossible, unfortunately.
Since there is no way to identify a given printer as a "PDF printer", the only thing you could do would be to get the name of the printer and compare it against some list that you've built. If it matches, then using the provided hooks for printing in the Acrobat SDK Plugin API, you could then disallow printing to that particular printer.
But given the NUMEROUS 3rd party PDF printers on the market – many of which are themselves OEM'd out and rebranded – I think you have a long road ahead :(.
Can I ask what you are REALLY trying to achieve? Is it some form of protection/right management? Perhaps there is a better way if we understood your underlying need.