IOC Parser is a tool to extract indicators of compromise from security reports in PDF format. A good collection of APT related reports with many IOCs can be found here: APTNotes.

iocp.py [-h] [-p INI] [-i FORMAT] [-o FORMAT] [-d] [-l LIB] FILE

• FILE File/directory path to report(s)
• -p INI Pattern file
• -i FORMAT Input format (pdf/txt/html)
• -o FORMAT Output format (csv/json/yara)
• -d Deduplicate matches
• -l LIB Parsing library

One of the following PDF parsing libraries:

• PyPDF2 - pip install pypdf2
• pdfminer - pip install pdfminer

For HTML parsing support:

• BeautifulSoup - pip install beautifulsoup4

For HTTP(S) support:

• requests - pip install requests