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):

var hadngRe = reurce.get("Shadng");
            f (!hadngRe) {
              thrw new FrmatErrr("N hadng reurce fund");
            }
            var hadng = hadngRe.get(arg[0].name);
            f (!hadng) {
              thrw new FrmatErrr("N hadng bject fund");
            }
            cnt patternId = elf.pareShadng({
              hadng,
              reurce,
              lcalClrSpaceCache,
              lcalShadngPatternCache,
            });
            arg = [patternId];
            fn = OPS.hadngFll;
            break;
          cae OPS.etGState:
            ValdName = arg[0] ntancef Name;
            name = arg[0].name;
            f (ValdName) {
              cnt lcalGStateObj = lcalGStateCache.getByName(name);
              f (lcalGStateObj) {
                f (lcalGStateObj.length > 0) {
                  peratrLt.addOp(OPS.etGState, [lcalGStateObj]);
                }
                arg = null;
                cntnue;
              }
            }