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[57] = 86;
  t[58] = 87;
  t[59] = 88;
  t[60] = 89;
  t[61] = 90;
  t[62] = 91;
  t[63] = 92;
  t[64] = 93;
  t[65] = 94;
  t[66] = 95;
  t[67] = 96;
  t[68] = 97;
  t[69] = 98;
  t[70] = 99;
  t[71] = 100;
  t[72] = 101;
  t[73] = 102;
  t[74] = 103;
  t[75] = 104;
  t[76] = 105;
  t[77] = 106;
  t[78] = 107;
  t[79] = 108;
  t[80] = 109;
  t[81] = 110;
  t[82] = 111;
  t[83] = 112;
  t[84] = 113;
  t[85] = 114;
  t[86] = 115;