Inception but for pdf document linking.

Hello everyone, I am attempting to create a document that will be exported as a PDF. Within this document I would like to link to other pdf’s that I have also created in indd however I want to know if there is a way to do this without having to have an external hyperlink. For instance is there a way to set everything up in one file as cross-references but have certain pages hidden when in PDF format that only become accessible through a link elsewhere in the document, or a way that I can embed pdf’s directly into a document that appear as links and open as a new document when clicked but are all packaged as the same document. Any help or advice is greatly appreciated thanks!