Note: The image is pasted and has a square surrounding the image with dots y the borders to re-size the image. If you have Adobe Acrobat you can go to menu File -> Create -> PDF from File. BMP JPEG JPEG with Exif standard GIF PNG TIFF ICO and ICON.
And also don't use another app or software. First select the Edit Object tool: Tools > Content > Edit ObjectThen right-click and select Place image to select the image. Not just add a new page in the pdf with an image. I spend a lot of time reading the 'solutions' and no one was able to do what I want: Paste an image or photo in the middle of the content PDF pdf.