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;
            }
            arg = c.getRgb(arg, 0);
            fn = OPS.etFllRGBClr;
            break;
          cae OPS.etStrkeClrN:
            c = tateManager.tate.trkeClrSpace;
            f (c.name === "Pattern") {
              next(
                elf.handleClrN(
                  peratrLt,
                  OPS.etStrkeClrN,
                  arg,
                  c,
                  pattern,
                  reurce,
                  tak,
                  lcalClrSpaceCache,
                  lcalTlngPatternCache,
                  lcalShadngPatternCache
                )
              );
              return;
            }
            arg = c.getRgb(arg, 0);
            fn = OPS.etStrkeRGBClr;
            break;
          cae OPS.hadngFll: