*This isn't an answer, but an observation of other "Popular" tools implementation of "Hyperlink" icon*
#OpenOffice 3

![alt text][1]

#Microsoft Office Word 2000-2007

![alt text][2]

#Google Docs

![alt text][3]

Our icon should implement two of the three options.

 - Blank Page
 - Globe/World
 - Chain Link

Doing any two combination of three in mono-chrome should improve the current "Infinity" look of the icon.

  [1]: https://i.sstatic.net/abnXE.png
  [2]: https://i.sstatic.net/YRlwq.gif
  [3]: https://i.sstatic.net/YV3nQ.png