I've tried adapting the answer here, to make invisible subsections by changing 'section' to 'subsection' everywhere. It didn't seem to work. Basically, what I want is to have subsections that appear in the bookmarks menu of adobe (or other pdf readers) so that I can't jump to their location, but they shouldn't appear in the text itself. Ideally I would prefer these subsections (or sections for that matter) didn't interfere with the numbering of regular subsections, but that's the less important part.
You want to use the command
This will put an unnumbered entry at the level of subsection into the