Attach (recommended) or Link to PDF file here:
[测试文件.pdf](https://github.com/mozilla/pdf.js/files/7147166/default.pdf)

Configuration:
- Web browser and its version:chrome 92.0.4515.131
- Operating system and its [version:](url) windows
- PDF.js version:v2.9.359
- Is a browser extension:no

Steps to reproduce the problem:
1. use pdf.js to open this pdf file
2. incomplete content display


What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/16495895/132935415-2b52322d-561c-4f60-97df-24e4429743ff.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/16495895/132935425-e5e6605b-71f5-4065-bb89-5c0fdbe1564b.png)

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

return dict;
        default:
          
          return buf1;
      }
    }
    if (Number.isInteger(buf1)) {
      
      if (Number.isInteger(this.buf1) && isCmd(this.buf2, "R")) {
        const ref = Ref.get(buf1, this.buf1);
        this.shift();
        this.shift();
        return ref;
      }
      return buf1;
    }
    if (typeof buf1 === "string") {
      if (cipherTransform) {
        return cipherTransform.decryptString(buf1);
      }
      return buf1;
    }
    
    return buf1;
  }
  /**
   * Find the end of the stream by searching for the /EI\s/.
   * @returns {number} The inline stream length.
   */
  findDefaultInlineStreamEnd(stream) {