Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e7db0adc4116a7f…

MALICIOUS

PDF

40.2 KB Created: 2019-02-14 08:12:52 +03:00 Authoring application: Acrobat PDFMaker 10.1 for Word (via Adobe PDF Library 10.0)
MD5: 19656bfe23aee8a3a31a0c9ed870e437 SHA-1: dbcfed25059c6a80bf7f43b55f7010baa66acf87 SHA-256: 1e7db0adc4116a7f071a08c82a6a721999a13ffe1d630c1580ba13024449a29b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded links to external PDF files, all hosted on the same domain. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, and the document body was unreadable, limiting the analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9027

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://www.gorillawalker.com/screech-owls-boxed-set-1-volumes-1-3.pdf
    • http://www.gorillawalker.com/abhisamayalamkara-with-vrtti-and-aloka-volume-4-fifth-to-eighth.pdf
    • http://www.gorillawalker.com/a-journey-through-mythic-ireland.pdf
    • http://www.gorillawalker.com/drawn-in-book-one-of-the-paper-dreams-chronicles-volume.pdf
    • http://www.gorillawalker.com/marks-on-german-bohemian-and-austrian-porcelain-1710-to-the.pdf
    • http://www.gorillawalker.com/the-adventures-of-the-angles-kindle-edition.pdf
    • http://www.gorillawalker.com/fit-and-fabulous-supermodels-for-the-21st-century-kindle-edition.pdf
    • http://www.gorillawalker.com/ludwig-van-beethoven-fidelio-cambridge-opera-handbooks.pdf
    • http://www.gorillawalker.com/clinical-ophthalmic-echography-a-case-study-approach.pdf
    • http://www.gorillawalker.com/amarigna-tigrigna-qal-hieroglyphs-for-beginners-perfect-for-travelers-to.pdf
    • http://www.gorillawalker.com/activities-digest-vol-1.pdf
    • http://www.gorillawalker.com/macroeconomics-principles-applications-and-tools-student-value-edition-plus-new.pdf
    • http://www.gorillawalker.com/mission-harbeasts-of-mars.pdf
    • http://www.gorillawalker.com/master-locksmithing-an-expert-s-guide-to-master-keying-intruder.pdf
    • http://www.gorillawalker.com/getting-to-know-israel.pdf
    • http://www.gorillawalker.com/bryce-canyon-national-park-utah.pdf
    • http://www.gorillawalker.com/on-the-loose.pdf
    • http://www.gorillawalker.com/seven-tears-for-apollo-center-point-premier-romance-large-print.pdf
    • http://www.gorillawalker.com/niv-popular-children-s-bible-new-international-version-popular-children.pdf
    • http://www.gorillawalker.com/italy-venice-st-marks-square-postcard-c1950.pdf
    • http://www.gorillawalker.com/sudden-sea-the-great-hurricane-of-1938.pdf
    • http://www.gorillawalker.com/the-night-city-guide-cyberpunk-2020.pdf
    • http://www.gorillawalker.com/quando-scende-il-silenzio-italian-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/50-ways-to-get-hired.pdf
    • http://www.gorillawalker.com/solar-power-energy-now-in-the-future.pdf
    • http://www.gorillawalker.com/mysql-5th-edition-developer-s-library.pdf
    • http://www.gorillawalker.com/introduction-to-process-technology.pdf
    • http://www.gorillawalker.com/murder-at-golgotha-revisiting-the-most-famous-crime-scene-in.pdf
    • http://www.gorillawalker.com/canada-s-hundred-days-with-the-canadian-corps-from-amiens.pdf
    • http://www.gorillawalker.com/comprehensive-intraaortic-balloon-counterpulsation.pdf
    • http://www.gorillawalker.com/the-girl-the-gypsy-and-the-gargoyle.pdf
    • http://www.gorillawalker.com/wwi-in-cartoons.pdf
    • http://www.gorillawalker.com/the-dark-hunters-vol-1-dark-hunter-manga.pdf
    • http://www.gorillawalker.com/how-the-world-works-a-brief-survey-of-international-relations.pdf
    • http://www.gorillawalker.com/the-unraveling-of-wentwater-the-gates-of-heaven-series.pdf
    • http://www.gorillawalker.com/die-walkure-ger-eng-fr-study-score.pdf
    • http://www.gorillawalker.com/colossians-bntc-black-s-new-testament-commentaries.pdf
    • http://www.gorillawalker.com/when-doctors-kill-who-why-and-how.pdf
    • http://www.gorillawalker.com/allied-fighters-1939-45-the-essential-aircraft-identification-gu.pdf
    • http://www.gorillawalker.com/whalesong-in-my-latte.pdf
    • http://www.gorillawalker.com/fit-and-fabulous-supermodels-fo
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://www.aiim.org/pdfa/ns/extension/
    • http://www.aiim.org/pdfa/ns/schema#
    • http://www.aiim.org/pdfa/ns/property#
    • http://www.aiim.org/pdfa/ns/id/

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