[ptaipale]

Perfectly common, of course. Usually the way to do this is to use a virtual machine which you then throw away.

[beagle3]

but why do you trust your hypervisor? QEMU had a floppy controller escape bug published last month. Xen has one today.

[JupiterMoon]

By doing this the chain of things that have to be broken for an exploit to escape is getting longer.

[leni536]

So the best thing you can do is to nest different kind of VM hypervisors with different OS guests and read the pdf in the innermost machine.