Malicious PDF — malware analysis report

Static analysis result for SHA-256 0cf003138a7bda55…

MALICIOUS

PDF

20.1 KB Created: 2019-05-02 06:09:17 +01:00 Authoring application: mPDF 5.7
MD5: 4bdb65fdbc26e110bfb023c6dfae5a72 SHA-1: 6fa2f454f375ec622fe132af1962de1f0e68cc80 SHA-256: 0cf003138a7bda555da6592140f33b317275c2eeaa348108752addf3f0a0a54e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files hosted on a dynamic DNS domain, a technique often used for SEO poisoning or to distribute malware. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the structure and embedded URLs suggest an attempt to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9862

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://cmeinasaoo.duckdns.org/1b21b26b21b24b24b27/Kakadu-A-World-Heritage-of-Unsurpassed-Beauty-by-Derrick-Ovington.pdf
    • http://cmeinasaoo.duckdns.org/1b21b26b21b23b29b23/Kakadu-a-Heritage-for-the-Future-by-Leo-Meier.pdf
    • http://cmeinasaoo.duckdns.org/1b21b26b21b24b22b23/Kakadu-Natural-and-Cultural-Heritage-and-Management-by-A-J-Press.pdf
    • http://cmeinasaoo.duckdns.org/5b28b22b24b22b21/France-s-World-Heritage-Sites-Travel-Guide-Best-World-Heritage-Sites---2017-by-J-r-me-Sabatier.pdf
    • http://cmeinasaoo.duckdns.org/6b25b23b28b20b22/Western-Heritage-Man-s-Encounter-with-Himself-and-the-World-A-Journey-for-Meaning-by-Francis-R-Gendreau.pdf
    • http://cmeinasaoo.duckdns.org/5b28b22b25b27b20/Fontainebleau-A-World-Heritage-Site-Travel-guide-Fontainebleau-Palace-and-Park---2014-by-J-r-me-Sabatier.pdf
    • http://cmeinasaoo.duckdns.org/1b21b25b21b24b23b23/A-Softer-World-Truth-and-Beauty-Bombs-by-Joey-Comeau.pdf
    • http://cmeinasaoo.duckdns.org/3b23b23b21b20b24/The-Atlas-of-Beauty-Women-of-the-World-in-500-Portraits-by-Mihaela-Noroc.pdf
    • http://cmeinasaoo.duckdns.org/4b29b24b24b26b23/Finding-Beauty-in-a-Broken-World-by-Terry-Tempest-Williams.pdf
    • http://cmeinasaoo.duckdns.org/2b27b22b21b22b22/Beauty-Will-Save-the-World-Rediscovering-the-Allure-and-Mystery-of-Christianity-by-Brian-Zahnd.pdf
    • http://cmeinasaoo.duckdns.org/4b28b25b21b21b27/Pretty-Iconic-A-Personal-Look-at-the-Beauty-Products-that-Changed-the-World-by-Sali-Hughes.pdf
    • http://cmeinasaoo.duckdns.org/2b24b23b25b22b21/The-American-Heritage-Dictionary-of-the-English-Language-by-American-Heritage.pdf
    • http://cmeinasaoo.duckdns.org/9b20b20b27b26b27/Discovering-Her-Wolfen-Heritage-A-Wolfen-Heritage-1-by-Missy-Martine.pdf
    • http://cmeinasaoo.duckdns.org/5b27b24b23/The-Evolution-of-Beauty-How-Darwin-s-Forgotten-Theory-of-Mate-Choice-Shapes-the-Animal-World-And-Us-by-Richard-O-Prum.pdf
    • http://cmeinasaoo.duckdns.org/4b29b29b22b25b25/Bathsheba-Reluctant-Beauty-Dangerous-Beauty-2-by-Angela-Elwell-Hunt.pdf
    • http://cmeinasaoo.duckdns.org/1b25b22b23b25b27/Delilah-Treacherous-Beauty-Dangerous-Beauty-3-by-Angela-Elwell-Hunt.pdf
    • http://cmeinasaoo.duckdns.org/7b29b27b23b25b29/Universal-Beauty-The-Miss-Universe-Guide-to-Beauty-by-Cara-Birnbaum.pdf
    • http://cmeinasaoo.duckdns.org/8b27b27b21b20/Beauty-A-Retelling-of-the-Story-of-Beauty-and-the-Beast-by-Robin-McKinley.pdf
    • http://cmeinasaoo.duckdns.org/4b20b23b29b21b20/Beauty-A-Retelling-of-the-Story-of-Beauty-and-the-Beast-by-Robin-McKinley.pdf
    • http://cmeinasaoo.duckdns.org/1b24b21b29b29/Beauty-A-Retelling-of-the-Story-of-Beauty-and-the-Beast-by-Robin-McKinley.pdf