Hi,
I specialize in creating custom-made tools for PDF files and have already developed tools that extract email addresses from PDFs, so I can potentially do this for you very quickly and with a high success rate, but I would like to see some sample files first, if possible.
I'm available to start working on it right away.
A little bit about me: I'm an Expert on both the Adobe and AcrobatAnswers forums and have a website dedicated to my custom-made tools for PDF files that you're welcome to check out (Google my handle-name to find it).
You're also welcome to check out my work history on this site and see some of the PDF-related projects I've worked on in the past.
Regards, Gilad (try67)