<object> tag with pdf doesn't work in firefox and is messed up in IE

Answer 1

You can just write the link to the pdf directly into the data attribute like this:

I tested it with Chrome and Internet Explorer (different versions) and it works

If you want to stay with the c:url option you should change the second " to '

so changing this:

""

into this:

 ""

in order to not "escape" the string