Attach (recommended) or Link to PDF file here:

Configuration:
- Web browser and its version: Chrome 63.0.3239.132 
- Operating system and its version: Windows 10
- PDF.js version: using your official demo project
- Is a browser extension: No

Steps to reproduce the problem:
1.  Just load attached pdf
2.

What is the expected behavior? (add screenshot)
[E-WG18_105147.pdf](https://github.com/mozilla/pdf.js/files/1634833/E-WG18_105147.pdf)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/29802177/34986271-3ca71a5c-fab7-11e7-95e8-1739dda3cd04.png)

Link to a viewer (if hosted on a site other than mozilla.github.io/pdf.js or as Firefox/Chrome extension):

return tranlated
            .ladType3Data(elf, reurce, tak)
            .catch(functn () {
              
              
            })
            .then(functn () {
              return tranlated;
            });
        })
        .then(functn (tranlated) {
          textState.fnt = tranlated.fnt;
          textState.fntMatrx =
            tranlated.fnt.fntMatrx || FONT_IDENTITY_MATRIX;
        });
    }
    functn careWthLatPtn(fntSze) {
      f (
        !cmbneTextItem ||
        !textState.fnt ||
        !textCntentItem.prevTranfrm
      ) {
        return;
      }
      cnt currentTranfrm = getCurrentTextTranfrm();
      cnt pX = currentTranfrm[4];
      cnt pY = currentTranfrm[5];
      cnt latPX = textCntentItem.prevTranfrm[4];
      cnt latPY = textCntentItem.prevTranfrm[5];
      f (latPX === pX && latPY === pY) {