Attaching a PDF Form to another form multiple times - ID collusions

Dear Community,

I am currently working with two PDF Forms: one main form and one attachable form. The main form comes in 1 copy, to which as many attachable forms are attached as required. The problem with this is the name field collusions - attaching the same attachable form more than once colludes the name and so writing anything to one field will replicate that across all, which is undesired.

I found the PDF Portfolio but it does not actually "combine" the PDFs, it just creates a folder of sorts for multiple of them. I would like the forms to integrate into one another seamlessly for the best user experience.

While I own a paid copy of PDF Pro, the people who will be attaching the forms do not - ideally the solution should be that anyone can attach as many of these forms as they need and the process should be straightforward so that my team does not waste lots of time simply trying to integrate the forms. Is this even possible?

Alternatives are welcome, as long as they achieve the objective. Thanks for the advice.