Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba78a8d9459599bd…

MALICIOUS

PDF

16.7 KB Created: 2019-05-01 17:33:38 +01:00 Authoring application: mPDF 5.7
MD5: 2253367ef1afa1aa42974179abc744da SHA-1: cb21f35a282f35e3524948bd9f65890a2350f0d3 SHA-256: ba78a8d9459599bde0e74b51e959f507f96c5097a5868825d9800808885ae0ce
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier strongly indicated maliciousness. While the document body was unreadable, the heuristic firings and the sheer volume of links point to a malicious intent to redirect the user to potentially harmful content hosted on loaminoo.linkpc.net.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://loaminoo.linkpc.net/4091091098093097/Critique-of-Dialectical-Reason-Vols-1-and-2-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/5092096093098093/The-Philosophy-of-Jean-Paul-Sartre-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/8090099092094099/Situations-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/1092097095090090/What-Is-Subjectivity-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/3094096098097/No-Exit-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/3099096099090092/Nausea-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/5092096094093094/Baudelaire-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/3093094092097/No-Exit-and-Three-Other-Plays-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/3097096090096094/The-Flies-Les-Mouches-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/8090099094094092/Critical-essays-Situations-1-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/2098099091091091/The-Transcendence-of-the-Ego-An-Existentialist-Theory-of-Consciousness-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/5098090093098096/The-Family-Idiot-4-Gustave-Flaubert-1821-57-by-Jean-Paul-Sartre.pdf
    • http://loaminoo.linkpc.net/6099090098091094/Condamn-s-tre-libres-l-anthropologie-existentielle-de-Jean-Paul-Sartre-by-Teoli-Antonia.pdf
    • http://loaminoo.linkpc.net/6098091090090098/La-Naus-e-de-Jean-Paul-Sartre-Fiche-de-lecture-R-sum-complet-et-analyse-d-taill-e-de-l-oeuvre-by-Catherine-Nelissen.pdf
    • http://loaminoo.linkpc.net/6098091090090092/La-Naus-e-de-Jean-Paul-Sartre-Fiche-de-lecture-Universalis-by-Encyclop-dia-Universalis.pdf
    • http://loaminoo.linkpc.net/5092096094099096/At-the-Existentialist-Caf-Freedom-Being-and-Apricot-Cocktails-with-Jean-Paul-Sartre-Simone-de-Beauvoir-Albert-Camus-Martin-Heidegger-Maurice-Merleau-Ponty-and-Others-by-Sarah-Bakewell.pdf
    • http://loaminoo.linkpc.net/3094093099099/Critique-of-Pure-Reason-by-Immanuel-Kant.pdf
    • http://loaminoo.linkpc.net/7096099093095/Critique-of-Cynical-Reason-by-Peter-Sloterdijk.pdf
    • http://loaminoo.linkpc.net/1091095090093090090/Critique-of-Pure-Reason-by-Immanuel-Kant.pdf
    • http://loaminoo.linkpc.net/8095093092090090/The-Critique-of-Pure-Reason-by-Immanuel-Kant.pdf
    • http://loaminoo.linkpc.net/5098090093098096/The-Family-Idiot-4-Gustave-Flaubert-1821-57-by-Jean-Pau

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