Malicious PDF — malware analysis report

Static analysis result for SHA-256 4dcbc15cab2ba75f…

MALICIOUS

PDF

46.9 KB Created: 2018-11-30 20:34:19 +03:00 Authoring application: Adobe InDesign CS4_J (6.0.5) (via Acrobat Distiller 7.0 (Windows))
MD5: 059c96aca38671e96f1ed4ad340f4342 SHA-1: c835412a1053a81fef4e7e6e4042cc101d3cebc1 SHA-256: 4dcbc15cab2ba75f5e6822b04d25bc3f9fd886b8db785aba0d3a630605ec500b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF 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 also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8527

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/the-power-of-one-on-one-discovering-the-joy-and.pdf
    • http://www.gorillawalker.com/the-culinary-hearts-kitchen-course-student-reference-book.pdf
    • http://www.gorillawalker.com/republic-of-georgia-map.pdf
    • http://www.gorillawalker.com/magnolia-dreams-richmond-chronicles-series-no-4.pdf
    • http://www.gorillawalker.com/houghton-mifflin-english-level-8.pdf
    • http://www.gorillawalker.com/the-love-for-three-oranges-vocal-score-dover-vocal-scores.pdf
    • http://www.gorillawalker.com/one-piece-vol-47-cloudy-partly-bony-kindle-edition.pdf
    • http://www.gorillawalker.com/santa-biblia-nueva-versi-n-internacional-edici-n-r-stica.pdf
    • http://www.gorillawalker.com/fiscal-year-2013-analytical-perspectives-budget-of-the-u-s.pdf
    • http://www.gorillawalker.com/the-jaws-log-25th-anniversary-edition.pdf
    • http://www.gorillawalker.com/ellis-island-s-famous-immigrants-images-of-america-new-jersey.pdf
    • http://www.gorillawalker.com/the-nature-of-political-theory.pdf
    • http://www.gorillawalker.com/the-runner-stumbles-acting-edition.pdf
    • http://www.gorillawalker.com/oil-pastel-drawing-with-colored-pencils-ink-aqua-world-paperback.pdf
    • http://www.gorillawalker.com/praxis-ii-biology-20231-20232-20235-30233-praxis-ii-teacher.pdf
    • http://www.gorillawalker.com/annotated-consolidated-laws-of-the-state-of-new-york-as.pdf
    • http://www.gorillawalker.com/blood-body-and-mind-aaron-s-kiss-series-volume-1.pdf
    • http://www.gorillawalker.com/as-i-crossed-a-bridge-of-dreams-recollections-of-a.pdf
    • http://www.gorillawalker.com/the-dominium-sequencing-antimatter-and-gravity-effects-big-bang-to.pdf
    • http://www.gorillawalker.com/singing-away-the-hunger-the-autobiography-of-an-african-woman.pdf
    • http://www.gorillawalker.com/family-connection-stepbrother-saga-volume-1-taboo-stepbrother-stepmother-and.pdf
    • http://www.gorillawalker.com/mission-india-a-vision-of-indian-youth.pdf
    • http://www.gorillawalker.com/crocheting-crochet-4-creative-yarn-eater-stitches-learn-the-popular.pdf
    • http://www.gorillawalker.com/pkg-tabers-22nd-index-vallerand-drug-guide-w-cd-13th.pdf
    • http://www.gorillawalker.com/n-j-jua-grapples-with-rising-deficit-joint-underwriting-association.pdf
    • http://www.gorillawalker.com/azumanga-daioh-2-spanish-edition.pdf
    • http://www.gorillawalker.com/of-spirituality.pdf
    • http://www.gorillawalker.com/student-solutions-manual-beginning-and-intermediate-algebra-4th-edition.pdf
    • http://www.gorillawalker.com/wrightsman-s-psychology-and-the-legal-system-sixth-6th-edition.pdf
    • http://www.gorillawalker.com/general-theory-of-lie-algebras.pdf
    • http://www.gorillawalker.com/the-grilled-cheese-cookbook-ultimate-collection-of-easy-cheesy-delicious.pdf
    • http://www.gorillawalker.com/connect-engineering-with-learnsmart-2-semester-access-card-for-thermodynamics.pdf
    • http://www.gorillawalker.com/1001-w-stennacht-prinz-meines-herzens-ebundle-german-edition.pdf
    • http://www.gorillawalker.com/how-to-read-minds-other-magic-tricks.pdf
    • http://www.gorillawalker.com/reeds-aberdeen-global-asset-management-nautical-almanac-2013-reed-s.pdf
    • http://www.gorillawalker.com/colonial-american-troops-1610-1774-2-men-at-arms.pdf
    • http://www.gorillawalker.com/classroom-alphabet-citizenship.pdf
    • http://www.gorillawalker.com/romancing-the-lady-1900s-style-satb-recorders.pdf
    • http://www.gorillawalker.com/neuronal-network-research-horizons.pdf
    • http://www.gorillawalker.com/the-brotherhood-of-olympus-and-the-deadliest-game-the-brotherhood.pdf
    • 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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