Commercial pdf converter free until 5th of Feburary. Haven't tried it so can't say how good it is, but it's free, so worth trying.
Software converts any pdf file to a variety of formats.
To download take note of registration number, download software then use the registration number once downloaded.
EDIT: go to dosn't seem to work so here is the link http://www.pdfzilla.com/giveaway.html