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):

return pagesBeforeRef(ref).then(function (args) {
        if (!args) {
          return total;
        }
        const [count, parentRef] = args;
        total += count;
        return next(parentRef);
      });
    }
    return next(pageRef);
  }
  /**
   * @typedef ParseDestDictionaryParameters
   * @property {Dict} destDict - The dictionary containing the destination.
   * @property {Object} resultObj - The object where the parsed destination
   *   properties will be placed.
   * @property {string} [docBaseUrl] - The document base URL that is used when
   *   attempting to recover valid absolute URLs from relative ones.
   */
  /**
   * Helper function used to parse the contents of destination dictionaries.
   * @param {ParseDestDictionaryParameters} params
   */
  static parseDestDictionary(params) {