PDF Content Split can split on text information within the PDF, This is an ideal product if you had for example a PDF statement that needed splitting up on account number, PDF Content Split would do this with ease by searching for words within the pdf, marking start and end ranges and then automatically splitting the document up for you.
Many options are available: Content Splitting, Split on Bookmarks, Take words within the pdf as output filenames, Search for text, Extract until text, Co-ordinate matching + many more options.

The license of this software is Free Trial Software, the price is $149.95, you can free download and get a free trial.