Images from PDF not being embedded in HTML

[DocWorks]

Currently experiencing an issue with images when converting an uploaded PDF document to a HTML string.
These are the settings:

When uploading a PDF like this however:

It results in this:

Obviously I don't want empty space, but rather a working picture of a dog (in this case at least)
Any idea what might cause this and how to fix it?

I've already attempted:

• Changing imageJpeg to false
• Changing inlineImages to false
• Changing onlyContent to true

But so far none of that has solved it.

[DocWorks]

Finally fixed this, apparently the file was being searched double encoded, resulting in spaces going to %20 and then going to %2520, which meant the image file couldn't be found, so adding this solved it: