** Home page **
** Dependencies **
The “sctest” command is a wrapper of “sctest” (libemu). Besides libemu pylibemu is used and must be installed:
Included modules: lzw, ccitt (Thanks to all the developers!!)
** Installation **
Run, in peepdf directory
The setup script handles the installation of jsbeautifier, colorama, pythonaes and lxml
** Execution **
There are two important options when peepdf is executed:
-f: Ignores the parsing errors. Analysing malicious files propably leads to parsing errors, so this parameter should be set. -l: Sets the loose mode, so does not search for the endobj tag because it’s not obligatory. Helpful with malformed files.
- Simple execution
Shows the statistics of the file after being decoded/decrypted and analysed:
peepdf.py [options] pdf_file
- Interactive console
Executes the interactive console to let play with the PDF file:
peepdf.py -i [options] pdf_file
If no PDF file is specified it’s possible to use the decode/encode/js*/sctest commands and create a new PDF file:
- Batch execution
It’s possible to use a commands file to specify the commands to be executed in the batch mode. This type of execution is good to automatise analysis of several files:
peepdf.py [options] -s commands_file pdf_file
** Updating **
The option has been desactivated as it is not working for now. To update, cd to peepdf directory and type:
git pull origin master easy_install .
** Some hints **
If the information shown when a PDF file is parsed is not enough to know if it’s harmful or not, the following commands can help to do it:
Shows the tree graph of the file or specified version. Here we can see suspicious elements.
Shows the physical map of the file or the specified version of the document. This is helpful to see unusual big objects or big spaces between objects.
Search the specified string or hexadecimal string in the objects (decoded and encrypted streams included).
Shows the (raw) content of the object.
Shows the (raw) content of the stream.
- The rest of commands, of course
** Bugs **
Send me bugs and comments, please!! ;) You can do it via mail (jesparza AT eternal-todo.com) or through Github (https://github.com/jesparza/peepdf/issues).
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