I haven't done this in Perl but I have in ColdFusion to retrieve and set form variables dynamically in a PDF doc. The first step is to open the doc in Notepad and examine the syntax to check for the text you want to parse out. Then read in the file into Perl and look for the strings that delimit the text you are interested in. Good luck, it isn't easy to do as PDF files aren't really setup to be used like this (they are more for layout of the data and trasmitting the raw data) so you may need to kind of hack together a solution to work.
garden ridge
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