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):

if (content.length > 1) {
        
        let newLength = 0;
        let j, jj;
        for (j = 0, jj = content.length; j < jj; j++) {
          newLength += content[j].length;
        }
        newLength = (newLength + 3) & ~3;
        const result = new Uint8Array(newLength);
        let pos = 0;
        for (j = 0, jj = content.length; j < jj; j++) {
          result.set(content[j], pos);
          pos += content[j].length;
        }
        table.data = result;
        table.length = newLength;
      }
    }
    function sanitizeTTPrograms(fpgm, prep, cvt, maxFunctionDefs) {