Malicious PDF — malware analysis report

Static analysis result for SHA-256 c98348aa12dad558…

MALICIOUS

PDF

16.4 KB Created: 2019-05-01 18:51:44 +01:00 Authoring application: mPDF 5.7
MD5: f2235ac614525e09907fded84ccfa64e SHA-1: a06c995d3db8267f2d08033e4ed58676f38d45ac SHA-256: c98348aa12dad558df09cd6adc785d46ba87ebd6c0aa45e1429b2477d6e39da5
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious and contains a large number of embedded links. The heuristic PDF_SEO_LINK_FARM indicates a link farm, suggesting the primary purpose is to redirect users to potentially malicious external sites. The majority of the extracted URLs, while appearing benign in isolation, are part of this link farm structure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/8090091094090091/18-ROMANS-DE-MICHEL-Z-VACO-en-version-int-grale-annot-e-by-Michel-Z-vaco.pdf
    • http://loaminoo.linkpc.net/6091098094095095/Le-Secret-du-treizi-me-ap-tre-Romans-Nouvelles-Recits-Domaine-Francais-t-6117-by-Michel-Beno-t.pdf
    • http://loaminoo.linkpc.net/5096097090092098/Le-Club-des-incorrigibles-optimistes-Romans-Nouvelles-Recits-Domaine-Francais-t-6138-by-Jean-Michel-Guenassia.pdf
    • http://loaminoo.linkpc.net/1090093098091095091/Foucault-Blanchot-Maurice-Blanchot-The-Thought-from-Outside-amp-Michel-Foucault-as-I-Imagine-Him-by-Michel-Foucault.pdf
    • http://loaminoo.linkpc.net/7097098090094095/Michel-Roux-The-Collection-by-Michel-Roux.pdf
    • http://loaminoo.linkpc.net/4092092099097093/Interactive-Romans-Road---World-English-Version-by-Russell-Sherrard.pdf
    • http://loaminoo.linkpc.net/4092093091097093/Interactive-Romans-Road---American-Standard-Version-by-Russell-Sherrard.pdf
    • http://loaminoo.linkpc.net/1093098094097094/Whatever-by-Michel-Houellebecq.pdf
    • http://loaminoo.linkpc.net/3091097094099093/Under-the-Skin-by-Michel-Faber.pdf
    • http://loaminoo.linkpc.net/1090095095099095091/Scraps-by-Michel-Leiris.pdf
    • http://loaminoo.linkpc.net/5094093093094098/Mobile-by-Michel-Butor.pdf
    • http://loaminoo.linkpc.net/4095092092099091/The-Erl-King-by-Michel-Tournier.pdf
    • http://loaminoo.linkpc.net/6094090093091098/Essais-I-II-III-by-Michel-de-Montaigne.pdf
    • http://loaminoo.linkpc.net/3097098091093/Under-the-Skin-by-Michel-Faber.pdf
    • http://loaminoo.linkpc.net/1091094093098097/Good-for-Nothing-by-Michel-Noel.pdf
    • http://loaminoo.linkpc.net/7094093099097098/The-Wizard-of-Us-by-Michel-Labr-che.pdf
    • http://loaminoo.linkpc.net/1090095096090098096/Brisees-by-Michel-Leiris.pdf
    • http://loaminoo.linkpc.net/6095096091094090/Libert-by-Michel-Holmes.pdf
    • http://loaminoo.linkpc.net/5091097096092093/Recumbents-by-Michel-Deguy.pdf
    • http://loaminoo.linkpc.net/8090091094090092/L-H-ro-ne-by-Michel-Z-vaco.pdf
    • http://loaminoo.linkpc.net/7097098090094095/Michel-Roux-The-Collection-by-Mic

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