\pdfcompresslevel=0

\noindent
\pdfstartlink attr { /C [1 0 0] /Border [0 0 1] } user {/Subtype /Link /A << /S /URI /URI (http://mj.ucw.cz/) >>}
mj.ucw.cz
\pdfendlink
%
\quad
%
\pdfstartlink attr { /C [0 0 1] /Border [0 0 1] } goto name{dest}
interní
\pdfendlink

\pdfdest name{dest} xyz

\bye
