Create macro in pdf document

I want you to develop a macro that will run everytime a pdf document is opened. The macro checks whether a number exists in a pdf page. If yes, this page is deleted. Please check the attached. I want the number 1083004703 to be checked in all pages. It can be found in page 4. Page 4 should be deleted and footer should be changed (from ... of 22 ---> ... of 21)