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.
const FONT_FACTOR = 0.8;
      if (lineCount === -1) {
        fontSize = roundWithOneDigit(FONT_FACTOR * height);
      } else {
        
        
        
        
        
        
        
        fontSize = 10;
        let lineHeight = fontSize / FONT_FACTOR;
        let numberOfLines = Math.round(height / lineHeight);
        numberOfLines = Math.max(numberOfLines, lineCount);
        lineHeight = height / numberOfLines;
        fontSize = roundWithOneDigit(FONT_FACTOR * lineHeight);
      }
      const { fontName, fontColor } = this.data.defaultAppearanceData;
      this._defaultAppearance = createDefaultAppearance({
        fontSize,
        fontName,
        fontColor,
      });
    }
    return [this._defaultAppearance, fontSize];
  }
  _renderText(text, font, fontSize, totalWidth, alignment, hPadding, vPadding) {