I'm sorry if it's a duplicate, I found lots of issues with gradients but none of the open ones looks similar.
It's apparently the PDF code `/Matrix [440 0 0 -200 20 220]` (line 44 in both files) that causes the problem.

**Configuration:**
- Web browser and its version: Chrome 54
- Operating system and its version: Windows 10
- PDF.js version: 1.6.343

**Steps to reproduce the problem:**
Open attached files:
[radial.pdf](https://github.com/mozilla/pdf.js/files/610302/radial.pdf)
[linear.pdf](https://github.com/mozilla/pdf.js/files/610300/linear.pdf)

**What is the expected behavior?** (Adobe Reader 11)
![image](https://cloud.githubusercontent.com/assets/17966696/20583379/fa80d780-b1f1-11e6-85d2-62dd6970a08c.png)

**What went wrong?** (mozilla.github.io/pdf.js/web/viewer.html)
Gradients aren't correctly transformed
![image](https://cloud.githubusercontent.com/assets/17966696/20583361/cf5bb8a4-b1f1-11e6-9479-9cc606b41187.png)

fn(ratio, 0, color, 0);
      rgbColor = cs.getRgb(color, 0);
      const cssColor = Util.makeHexColor(rgbColor[0], rgbColor[1], rgbColor[2]);
      colorStops.push([i / NUMBER_OF_SAMPLES, cssColor]);
    }
    let background = "transparent";
    if (dict.has("Background")) {
      rgbColor = cs.getRgb(dict.get("Background"), 0);
      background = Util.makeHexColor(rgbColor[0], rgbColor[1], rgbColor[2]);
    }
    if (!extendStart) {
      
      
      colorStops.unshift([0, background]);
      colorStops[1][0] += Shadings.SMALL_NUMBER;
    }
    if (!extendEnd) {
      
      colorStops[colorStops.length - 1][0] -= Shadings.SMALL_NUMBER;
      colorStops.push([1, background]);
    }
    this.colorStops = colorStops;
  }
  RadialAxial.prototype = {
    getIR: function RadialAxial_getIR() {
      const coordsArr = this.coordsArr;
      const shadingType = this.shadingType;
      let type, p0, p1, r0, r1;
      if (shadingType === ShadingType.AXIAL) {
        p0 = [coordsArr[0], coordsArr[1]];