Attach (recommended) or Link to PDF file here:
[FormDB2_fr.pdf](https://github.com/mozilla/pdf.js/files/7352426/FormDB2_fr.pdf)

Configuration:
- Web browser and its version: Firefox nightly
- Operating system and its version: linux debian

Steps to reproduce the problem:
1. Open the pdf
2. The image on the top of each pages is missing 

What is the expected behavior? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/137465500-e8788893-f33d-4532-871d-43b464fa85f4.png)

What went wrong? (add screenshot)
![image](https://user-images.githubusercontent.com/5641725/137465363-f2b35fe4-6776-45e9-b9e4-ccef6d9ad670.png)

return new Encrypt(attrs);
  }
  static encryptData(attrs) {
    return new EncryptData(attrs);
  }
  static encryption(attrs) {
    return new Encryption(attrs);
  }
  static encryptionMethod(attrs) {
    return new EncryptionMethod(attrs);
  }
  static encryptionMethods(attrs) {
    return new EncryptionMethods(attrs);
  }
  static event(attrs) {
    return new Event(attrs);
  }
  static exData(attrs) {
    return new ExData(attrs);
  }
  static exObject(attrs) {
    return new ExObject(attrs);
  }
  static exclGroup(attrs) {
    return new ExclGroup(attrs);
  }
  static execute(attrs) {
    return new Execute(attrs);
  }
  static extras(attrs) {