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):

pendingRequests.push({ begin: stream.start, end: stream.end });
            }
          }
          if (foundMissingData) {
            nodesToRevisit.push(currentNode);
          }
        }
        addChildren(currentNode, nodesToVisit);
      }
      if (pendingRequests.length) {
        await this.xref.stream.manager.requestRanges(pendingRequests);
        for (let i = 0, ii = nodesToRevisit.length; i < ii; i++) {
          const node = nodesToRevisit[i];
          
          
          if (node instanceof Ref) {
            this.refSet.remove(node);
          }
        }
        return this._walk(nodesToRevisit);
      }
      
      this.refSet = null;
      return undefined;
    },
  };
  return ObjectLoader;
})();
export { Catalog, FileSpec, ObjectLoader, XRef };