Portable Document Format (PDF)

Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems.

• PDF (Wikipedia)

Bruteforce password

See PDFCrack.

Merge/Combine PDF files

• Combine PDF files (Adobe) – requires to log in

Using Python

Prerequisites

pip install pypdf4

pip --proxy http://127.0.0.1:3128 install pypdf4

merge_pdf.py

from PyPDF4 import PdfFileReader, PdfFileWriter

def merge_pdfs(paths, output):
    pdf_writer = PdfFileWriter()

    for path in paths:
        pdf_reader = PdfFileReader(path)
        for page in range(pdf_reader.getNumPages()):
            # Add each page to the writer object
            #pdf_writer.addPage(pdf_reader.getPage(page).rotateClockwise(180))
            pdf_writer.addPage(pdf_reader.getPage(page))

    # Write out the merged PDF
    with open(output, 'wb') as out:
        pdf_writer.write(out)

if __name__ == '__main__':
    dir = 'C:/Users/somepath/'
    paths = [dir + 'p1.pdf', dir + 'p2.pdf']
    merge_pdfs(paths, output=dir + 'merged.pdf')