Attach (recommended) or Link to PDF file here: [ar99.pdf](https://github.com/mozilla/pdf.js/files/7086733/ar99.pdf)
https://www.dallasfed.org/fed/~/media/documents/fed/annual/1999/ar99.pdf 

Configuration:
- Web browser and its version: Firefox Browser 72.0.2 (64-bit)
- Operating system and its version: Windows 10 Enterprise version 1809
- PDF.js version: 2.4.152
- Is a browser extension:

Steps to reproduce the problem:
1. Open URL
2. Observe

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/60226822/72994265-6a03c780-3dbc-11ea-8914-42563b321546.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/60226822/72994291-77b94d00-3dbc-11ea-9de2-6214a4d4b361.png)

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

t[2863] = 854;
  t[2864] = 855;
  t[2865] = 861;
  t[2866] = 862;
  t[2906] = 7460;
  t[2908] = 7462;
  t[2909] = 7463;
  t[2910] = 7464;
  t[2912] = 7466;
  t[2913] = 7467;
  t[2914] = 7468;
  t[2916] = 7470;
  t[2917] = 7471;
  t[2918] = 7472;
  t[2920] = 7474;
  t[2921] = 7475;
  t[2922] = 7476;
  t[2924] = 7478;
  t[2925] = 7479;
  t[2926] = 7480;
  t[2928] = 7482;
  t[2929] = 7483;
  t[2930] = 7484;
  t[2932] = 7486;
  t[2933] = 7487;
  t[2934] = 7488;
  t[2936] = 7490;
  t[2937] = 7491;
  t[2938] = 7492;
  t[2940] = 7494;