1. Download the PDF from Elsevier.
2. Open it in your own PDF viewer.
3. Press print.
4. In the printer selection box, select "Print to PDF".
2. Open it in your own PDF viewer.
3. Press print.
4. In the printer selection box, select "Print to PDF".
https://www.digital-detective.net/forensic-analysis-of-zone-...
There's a Total Commander plugin which can show where a given file was downloaded from. Not sure which one it is as I have multiple installed. Probably this one: https://totalcmd.net/plugring/ntfsstreamviewer.html
2. Open it in your PDF viewer.
3. Press print.
4. Physically print the document.
5. Re-scan the printed PDF pages.
6. Compile them into a PDF document (convert, pdfunite).
7. Compress the PDFs (ghostscript).
7. Compress the PDFs (ghostscript).
6. Keep all the possible steganography in kerning, colours, line spacing and what not.
2. Convert pages to PNG images
3. Merge them into a new PDF
4. Run them through OCR
Please, for the love of God, don't do this unless you absolutely, positively know you have to.
david@desktop:~/test$ ls -hl
total 8.9M
-rw-r--r--. 1 david david 2.2M Jun 10 06:02 chromium.pdf
-rw-r--r--. 1 david david 4.4M Jun 10 06:02 firefox.pdf
-rw-r--r--. 1 david david 2.3M Jun 10 06:01 input.pdf
david@desktop:~/test$Linux with Firefox 126
I use print to PDF to generate a version that it can handle.
(That does not say anything about whether it removes metadata though, just that it’s not the same file)