Abra PDF en el navegador JavaScript
<a href="#" onclick="window.open('MyPDF.pdf', '_blank', 'fullscreen=yes'); return false;">MyPDF</a>
Weary Sloth
<a href="#" onclick="window.open('MyPDF.pdf', '_blank', 'fullscreen=yes'); return false;">MyPDF</a>
<embed src="file_name.pdf" width="800px" height="2100px" />