Malicious PDF — malware analysis report

Static analysis result for SHA-256 f6eafc3d275ec4e0…

MALICIOUS

PDF

24.3 KB Created: 2019-04-30 04:46:14 +01:00 Authoring application: mPDF 5.7
MD5: 72bf55b080739bdea0f57d5616171f9c SHA-1: f4165e971d3c555ee459d7f54f132f6f1aa1166e SHA-256: f6eafc3d275ec4e0066369d9ce4c54b854ee8c8ae4afa43866c5a772fd4208fb
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF document contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier strongly indicated maliciousness. While the specific intent of the linked PDFs is unclear, the sheer volume and the suspicious domain suggest a malicious distribution or redirection scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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://unieoooq.linkpc.net/94e84e74e64e3/El-Pergamino-de-la-Seducci-n-by-Gioconda-Belli.pdf
    • http://unieoooq.linkpc.net/34e94e14e14e04e2/The-Country-Under-My-Skin-A-Memoir-of-Love-and-War-by-Gioconda-Belli.pdf
    • http://unieoooq.linkpc.net/44e84e14e74e3/Infinity-in-the-Palm-of-Her-Hand-A-Novel-of-Adam-and-Eve-by-Gioconda-Belli.pdf
    • http://unieoooq.linkpc.net/14e14e14e24e64e34e1/Republik-Kongo-Brazzaville-Christentum-in-Der-Republik-Kongo-Ethnie-in-Der-Republik-Kongo-Geographie-by-Quelle-Wikipedia.pdf
    • http://unieoooq.linkpc.net/74e44e74e94e64e3/Sacha-Fluss-in-Der-Republik-Sacha-Neusibirische-Inseln-Ort-in-Der-Republik-Sacha-Ulus-in-Der-Republik-Sacha-Jakutische-Sprache-by-Quelle-Wikipedia.pdf
    • http://unieoooq.linkpc.net/14e14e94e44e24e34e6/Politik-Demokratische-Republik-Kongo-Distrikt-in-Der-Demokratischen-Republik-Kongo-Partei-in-Der-Demokratischen-Republik-Kongo-by-Quelle-Wikipedia.pdf
    • http://unieoooq.linkpc.net/14e04e74e24e44e44e8/Frauen-Und-Fuhrung-Warum-Sind-Frauen-in-Fuhrungspositionen-in-Deutschland-Unterreprasentiert-by-Joana-Hegemann.pdf
    • http://unieoooq.linkpc.net/84e74e54e64e14e8/Fleissige-Frauen-Arbeiten-Schlaue-Steigen-Auf-Wie-Frauen-In-F-hrung-Gehen-by-Barbara-Schneider.pdf
    • http://unieoooq.linkpc.net/14e14e34e14e04e54e3/Wie-Frauen-ticken-ber-100-Fakten-die-aus-jedem-Mann-einen-Frauen-Versteher-machen-by-Hauke-Brost.pdf
    • http://unieoooq.linkpc.net/14e04e54e14e04e64e5/Frauen-Und-Literatur-in-Den-Niederlanden-Feminismus-Literaturbetrieb-Literaturwissenschaft-Und-Literarische-Produktion-Von-Frauen-Vom-Ende-Der-Sechziger-Bis-Zur-Mitte-Der-Achtziger-Jahre-by-Gesine-Gossner.pdf
    • http://unieoooq.linkpc.net/94e04e14e34e94e5/Zone-30-Frauen-werden-nicht-lter-Frauen-werden-besser-by-Birgit-Schlieper.pdf
    • http://unieoooq.linkpc.net/54e74e74e04e54e5/Por-si-no-te-vuelvo-a-ver-by-Laura-Mart-nez-Belli.pdf
    • http://unieoooq.linkpc.net/14e14e14e24e64e24e0/The-Gedung-Arsip-Nasional-RI-through-the-ages-Catalogue-Arsip-Nasional-Republik-Indonesia-Jakarta-1-30-November-1998-by-Arsip-Nasional-Republik-Indonesia.pdf
    • http://unieoooq.linkpc.net/64e04e84e34e04e8/Poesie-Inedite-by-Giuseppe-Gioachino-Belli.pdf
    • http://unieoooq.linkpc.net/34e64e04e94e34e6/Gioconda-by-Lucille-Turner.pdf
    • http://unieoooq.linkpc.net/14e14e74e94e74e04e0/The-Gioconda-Smile-by-Aldous-Huxley.pdf
    • http://unieoooq.linkpc.net/14e14e74e94e74e84e3/La-Gioconda-Libretto-by-Amilcare-Ponchielli.pdf
    • http://unieoooq.linkpc.net/14e14e74e94e74e84e0/La-Gioconda-vs-Lucrecia-by-Antonio-Baena.pdf
    • http://unieoooq.linkpc.net/14e14e74e94e74e04e4/Bella-Gioconda-by-Richard-Heket.pdf
    • http://unieoooq.linkpc.net/14e14e74e94e84e74e7/La-Gioconda-An-Opera-in-Four-Acts-by-Amilcare-Ponchielli.pdf
    • http://unieoooq.linkpc.net/14e14e94e

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