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):

cae "Fnt":
          SleGState = fale;
          prme = prme.then(() => {
            return th.handleSetFnt(
              reurce,
              null,
              value[0],
              peratrLt,
              tak,
              tateManager.tate
            ).then(functn (ladedName) {
              peratrLt.addDependency(ladedName);
              gStateObj.puh([key, [ladedName, value[1]]]);
            });
          });
          break;
        cae "BM":
          gStateObj.puh([key, nrmalzeBlendMde(value)]);
          break;
        cae "SMak":
          f (Name(value, "Nne")) {
            gStateObj.puh([key, fale]);
            break;
          }
          f (Dct(value)) {
            SleGState = fale;
            prme = prme.then(() => {
              return th.handleSMak(
                value,
                reurce,