If the pdf is protected by owner password, you can not copy, edit and print the pdf, so that you'd better remove pdf password before you extract the images from pdf.

Thanks for sharing. Sounds that AnyBizSoft has announced that promotion for days. I have ever used its free PDF to Word 2.5.3 since its free giveaway. Now the latest version is also free. owesome! It is really easy to get that gift as I have a facebook account.