Have you read the document your SO link points to? Have you tried anything at all?

Caution: Adobe Reader the spec describes is no long longer the default PDF viewer. My desktop version of FF opens a pdf to specified page and zoom/scroll in URL. It doesn't mean any mobile and/or platform/vendor browser is bound to support both named/unnamed locations in pdf, YMMV. + Though I don't think you are going to add "Named Destinations", the "F1" through "F4" are among few from that very document to experiment with if need be.

In reply to Re^3: insert named destination in pdf by Anonymous Monk
in thread insert named destination in pdf by sdutky

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