Attach (recommended) or Link to PDF file here:  [test.pdf](https://akmer.aikucun.com/a94a8fe5ccb19ba61c4c0873d391e987982fbbd3_1616477914120_83.pdf)


Configuration:
- Web browser and its version: chrome 87.0.4280.88
- Operating system and its version: windows10
- PDF.js version: 2.6.347
- Is a browser extension:

Steps to reproduce the problem:
1. just open 

What is the expected behavior? (add screenshot)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/17724610/112087066-473f8f80-8bc8-11eb-8efb-56139ec42a9c.png)

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

import { Lexer, Parser } from "./parser.js";
import { CipherTransformFactory } from "./crypto.js";
import { ColorSpace } from "./colorspace.js";
import { GlobalImageCache } from "./image_utils.js";
import { MetadataParser } from "./metadata_parser.js";
function fetchDestination(dest) {
  return isDict(dest) ? dest.get("D") : dest;
}
class Catalog {
  constructor(pdfManager, xref) {
    this.pdfManager = pdfManager;
    this.xref = xref;
    this._catDict = xref.getCatalogObj();
    if (!isDict(this._catDict)) {
      throw new FormatError("Catalog object is not a dictionary.");
    }
    this.fontCache = new RefSetCache();
    this.builtInCMapCache = new Map();
    this.globalImageCache = new GlobalImageCache();
    this.pageKidsCountCache = new RefSetCache();
    this.nonBlendModesSet = new RefSet();
  }
  get version() {
    const version = this._catDict.get("Version");
    if (!isName(version)) {
      return shadow(this, "version", null);
    }
    return shadow(this, "version", version.name);
  }
  get collection() {