Attach (recommended) or Link to PDF file here:
[docOficialPDF.php.pdf](https://github.com/mozilla/pdf.js/files/7159923/docOficialPDF.php.pdf)

Configuration:
- Web browser and its version: Firefox nightly
- Operating system and its version: linux debian
- PDF.js version: built-in viewer
- Is a browser extension: no

Steps to reproduce the problem:
1. Open the pdf page 2
2. Checkbox "Alta" in section 2 must be checked

It works fine with evince.
if (this.data.quadPoints === null) {
      return false;
    }
    if (this.flags === 0) {
      return false;
    }
    return this._isPrintable(this.flags);
  }
  /**
   * @private
   */
  _parseStringHelper(data) {
    const str = typeof data === "string" ? stringToPDFString(data) : "";
    const dir = str && bidi(str).dir === "rtl" ? "rtl" : "ltr";
    return { str, dir };
  }
  /**
   * Set the title.
   *
   * @param {string} title - The title of the annotation, used e.g. with
   *   PopupAnnotations.
   */
  setTitle(title) {