Malicious PDF — malware analysis report

Static analysis result for SHA-256 49d9f5e804421520…

MALICIOUS

PDF

20.4 KB Created: 2019-04-28 20:32:35 +01:00 Authoring application: mPDF 5.7
MD5: c49d4d841cff347b8b972f528c33195e SHA-1: 3638dbf7c4bd6f98cc468d38cd00bbe5bbe9b436 SHA-256: 49d9f5e804421520a7fc4639beefe27436aaa8fc800e21bffa555c4cc65a2d86
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. While many of these links point to benign-looking documents, the sheer volume and the nature of the heuristic suggest a malicious intent, possibly for SEO poisoning or to redirect users to malicious sites. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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://ketrye.4pu.com/6b27b20b23b26b23/Radical-Reform-Islamic-Ethics-and-Liberation-by-Tariq-Ramadan.pdf
    • http://ketrye.4pu.com/6b27b20b25b27b29/The-Ultimate-Ramadan-Holiday-Survival-Guide-for-Understanding-Ramadan-Rules-and-Ramadan-Fasting-Learn-The-Ramadan-Origin-and-Ramadan-Facts-Ramadan-Rules-Ramadan-Holiday-Ramadan-Festival-Book-1-by-Jenny-Husk.pdf
    • http://ketrye.4pu.com/6b27b20b25b21b25/De-l-islam-et-des-musulmans-by-Tariq-Ramadan.pdf
    • http://ketrye.4pu.com/8b20b29b28b29b29/Islam-et-la-r-forme-radicale-by-Tariq-Ramadan.pdf
    • http://ketrye.4pu.com/4b21b28b29b22b26/The-Messenger-The-Meanings-of-the-Life-of-Muhammad-by-Tariq-Ramadan.pdf
    • http://ketrye.4pu.com/9b29b29b20b21b27/Islamische-Literatur-Koran-Hadith-Tariq-Ramadan-Navid-Kermani-Al-Mutanabbi-Anadolu-da-Vakit-Reimprosa-Sacred-Books-of-the-East-by-Source-Wikipedia.pdf
    • http://ketrye.4pu.com/1b20b23b29b26b23b24/Islamic-Liberation-Theology-Resisting-the-Empire-by-Hamid-Dabashi.pdf
    • http://ketrye.4pu.com/8b24b29b21b20b24/Representing-the-Unpresentable-Historical-Images-of-National-Reform-from-the-Qajars-to-the-Islamic-Republic-of-Iran-by-Negar-Mottahedeh.pdf
    • http://ketrye.4pu.com/6b27b20b24b23b24/Ameena-s-Ramadan-Diary-A-Practical-Guide-to-Getting-the-Best-Out-of-Fasting-and-Ramadan-by-Sara-Kabil-amp-Abubakr-El-banna.pdf
    • http://ketrye.4pu.com/6b27b20b24b23b25/The-Muslim-Show-Ramadan-Oh-Ramadan-by-All-am-amp-Blondin.pdf
    • http://ketrye.4pu.com/1b26b29b22b24b27/The-Parish-Clergy-in-Nineteenth-Century-Russia-Crisis-Reform-Counter-Reform-by-Gregory-L-Freeze.pdf
    • http://ketrye.4pu.com/3b29b29b22b28b25/Ramadan-Moon-by-Na-39-ima-B-Robert.pdf
    • http://ketrye.4pu.com/6b27b20b25b20b26/Ramadan-by-Sheila-Anderson.pdf
    • http://ketrye.4pu.com/8b22b23b25b26/How-to-make-most-of-Ramadan-by-Darussalam.pdf
    • http://ketrye.4pu.com/6b27b20b25b25b26/It-s-Ramadan-Curious-George-by-H-A-Rey.pdf
    • http://ketrye.4pu.com/6b27b20b23b26b26/Ramadan-by-David-F-Marx.pdf
    • http://ketrye.4pu.com/6b27b20b25b28b23/T-R-O-J-A-Komplott-by-Ortwin-Ramadan.pdf
    • http://ketrye.4pu.com/6b27b20b25b27b25/In-the-Shadow-of-Saddam-by-Mikhael-Ramadan.pdf
    • http://ketrye.4pu.com/6b27b20b25b24b26/Love-in-Ramadan-by-Tohib-Adejumo.pdf
    • http://ketrye.4pu.com/6b27b20b23b27b21/Under-the-Ramadan-Moon-by-Sylvia-Whitman.pdf
    • http://ketrye.4pu.com/9b29b29b20b21b27/Islamische-Literatur-Koran-Hadith-Ta

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