PDF Bookmark is a high performance server tool from Traction Software for Windows PC, Unix Aix, Linux, Macintosh OSX, SUN Sparc Solaris, UP-UX
PDF Bookmark software automates the process of extracting bookmarks from existing pdf's, applying bookmarks to pdf's and updating/adding bookmarks to pdf's, it can also do list of files processing. e.g. extract bookmarks from a pdf to XML then apply those to many other pdf's.
PDF Bookmark extract format is XML, this gives you more flexibility in changing, creating, reporting bookmarks from various other XML tools.