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[116] = 87;
  t[121] = 88;
  t[122] = 89;
  t[124] = 221;
  t[127] = 90;
  t[129] = 381;
  t[258] = 97;
  t[260] = 225;
  t[268] = 261;
  t[271] = 98;
  t[272] = 99;
  t[273] = 263;
  t[275] = 269;
  t[282] = 100;
  t[286] = 101;
  t[288] = 233;
  t[290] = 283;
  t[295] = 281;
  t[296] = 102;
  t[336] = 103;
  t[346] = 104;
  t[349] = 105;
  t[351] = 237;
  t[361] = 106;
  t[364] = 107;
  t[367] = 108;
  t[371] = 322;
  t[373] = 109;
  t[374] = 110;
  t[381] = 111;