Opening ([Ctrl][O]) a PDF brings up the "Import PDF" dialogue. There is a
"Mode" selection dropdown which usually contains color mode options like "Grayscale", "RGB", "Lab" and "CMYK". When I open one particular PDF that option defaults to "SAMSUNG". The normal options are still shown in the dropdown. What is "SAMSUNG"? Is that a custom color mode embedded in this PDF? Should I be using the embedded option versus the others?
@jbinco – Thanks, it also does it in 2021...
The "SAMSUNG" RGB ICC profile is coming from the photos. The rest of the document is set to device CMYK (untagged ICC profile) and there is no output intent profile set.
As you are rasterizing mixed RGB/CMYK content, you can only select one mode/profile for the entire document.
I personally wouldn't use the Samsung profile and would use working RGB or CMYK. As Photoshop isn't a general PDF page editor and rasterizing is such a sad thing to do to text/vectors, it's really up to you.
https://prepression.blogspot.com/2014/09/the-ten-commandments-of-pdf.html
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