Link to PDF file (or attach file here):
[pages4.pdf](https://github.com/mozilla/pdf.js/files/1128300/pages4.pdf)

Configuration:
- Web browser and its version: Firefox 54
- Operating system and its version: Win 10
- PDF.js version: 1.8.522
- Is an extension: no

What is the expected behavior? (add screenshot)
![chrome1-1 1](https://user-images.githubusercontent.com/146436/27918380-2f74512a-6245-11e7-8525-d0038fa6c2e8.jpg)
![chrome1-2 1](https://user-images.githubusercontent.com/146436/27918425-54f8e47e-6245-11e7-9bff-127f79ad0511.jpg)


What went wrong? (add screenshot)
![screenshot from 2017-07-06 12-10-30](https://user-images.githubusercontent.com/146436/27918442-5d57624e-6245-11e7-9436-5ba31cc8bd1a.png)
![screenshot from 2017-07-06 12-10-44](https://user-images.githubusercontent.com/146436/27918454-63b486da-6245-11e7-9eb5-c03aa5c40943.png)



}
  return null;
}
function shadow(obj, prop, value) {
  Object.defineProperty(obj, prop, {
    value,
    enumerable: true,
    configurable: true,
    writable: false,
  });
  return value;
}
/**
 * @type {any}
 */
const BaseException = (function BaseExceptionClosure() {
  
  function BaseException(message, name) {
    if (this.constructor === BaseException) {
      unreachable("Cannot initialize BaseException.");
    }
    this.message = message;
    this.name = name;
  }
  BaseException.prototype = new Error();
  BaseException.constructor = BaseException;
  return BaseException;
})();
class PasswordException extends BaseException {