convert pdf files to epub style book

I have existing pdf files from customers that I need a script (program) that will work on a linux server to convert the pdf files to a epub (type) book that can be viewed /read on ipad. I will need an example created fro one of my existing pdf flies so that i can confirm with my customer that is it what they want. The example pdf file can be downloaded from here: [login to view URL] or downloaded from GAf file