PDF PE fuse

#!/usr/bin/env python2

import os, sys

PDF_STAOBJ_STASTR = '\x0A\x25\x50\x44\x46\x2D\x31\x2E\x34\x0A\x6F\x62\x6A\x3C\x3C\x3E\x3E\x73\x74\x72\x65\x61\x6D\x0A'
PDF_ENDSTR_ENDOBJ = '\x65\x6e\x64\x73\x74\x72\x65\x61\x6d\x0a\x65\x6e\x64\x6f\x62\x6a\x0a'

def main():
	patched_pdf = sys.argv[1].replace(".exe", ".pdf")
	if (len(sys.argv) != 3):
		print("usage: " + sys.argv[0] + " [BINARY] [PDF]")
		sys.exit(-1)

	path_binary = sys.argv[1]
	path_pdf = sys.argv[2]

	try:
		with open(path_binary, 'r') as f:
			binary = f.read()

		with open(path_pdf, 'r') as f:
			pdf = f.read()

		with open(patched_pdf, "w+") as f:
			f.write(binary)
			f.write(PDF_ENDSTR_ENDOBJ)
			f.write(pdf)
			f.seek(2) # after MZ
			f.write(PDF_STAOBJ_STASTR)
	except IOError as e:
		print(e)
		sys.exit(-1)


if __name__ == "__main__":
	main()