Malicious PDF — malware analysis report

Static analysis result for SHA-256 6051ee725254bf65…

MALICIOUS

PDF

43.7 KB Created: 2019-03-19 16:23:13 +03:00 Authoring application: mPDF 6.0
MD5: 50146a579b5ea0da026b664b73833fd1 SHA-1: 64445ae6c46c198cfd9e6e0bd50aa465683bd8b8 SHA-256: 6051ee725254bf657cecf1b88f3d4dbe79d204e0a75898afad7acecb1bc15032
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While no scripts were explicitly extracted, the ML classifier flagged the document as malicious, suggesting it may contain obfuscated JavaScript or other malicious content designed to exploit PDF vulnerabilities. The primary attack pattern appears to be a link farm, potentially for SEO manipulation or to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/milet-picture-dictionary-english-bengali.pdf
    • http://www.gorillawalker.com/wheat-belly-total-health-the-ultimate-grain-free-health-and.pdf
    • http://www.gorillawalker.com/gig-posters-rock-art-for-the-21st-century-2015-wall.pdf
    • http://www.gorillawalker.com/golden-verses-of-pythagoras.pdf
    • http://www.gorillawalker.com/daddy-s-girl-cape-high-book-five-cape-high-series.pdf
    • http://www.gorillawalker.com/the-claiming-of-iris-the-sweet-angel-of-hope-angels.pdf
    • http://www.gorillawalker.com/celia-s-secret.pdf
    • http://www.gorillawalker.com/seventies-glamour.pdf
    • http://www.gorillawalker.com/geology-of-ecuador-explanatory-bulletin-of-the-national-geological-map.pdf
    • http://www.gorillawalker.com/be-stupid-for-successful-living.pdf
    • http://www.gorillawalker.com/a-moment-of-silence-midnight-iii-the-midnight-series-book.pdf
    • http://www.gorillawalker.com/the-royals-masters-of-war.pdf
    • http://www.gorillawalker.com/die-evangelischen-kirchenordnungen-des-xvi-jahrhunderts-register-zu-den-banden.pdf
    • http://www.gorillawalker.com/fundamentals-of-human-resource-management-3rd-edition.pdf
    • http://www.gorillawalker.com/math-skills-for-the-workforce-decimals-and-percents-steck-vaughn.pdf
    • http://www.gorillawalker.com/heir-of-pendel-a-pandoran-novel-volume-4.pdf
    • http://www.gorillawalker.com/midpoints-unleashing-the-power-of-the-planets.pdf
    • http://www.gorillawalker.com/yucatan-e-chiapas-lonely-planet-travel-guides-italian-edition.pdf
    • http://www.gorillawalker.com/exposed-fearless.pdf
    • http://www.gorillawalker.com/intermolecular-and-surface-forces-third-edition-revised-third-edition.pdf
    • http://www.gorillawalker.com/a-portrait-of-cape-town.pdf
    • http://www.gorillawalker.com/celluloid-spanish-edition-hardcover.pdf
    • http://www.gorillawalker.com/larousse-mini-dictionary-italian-english-english-italian.pdf
    • http://www.gorillawalker.com/the-complete-book-of-bone-health-kindle-edition.pdf
    • http://www.gorillawalker.com/design-and-development-of-floating-poultry-house-for-flood-hit.pdf
    • http://www.gorillawalker.com/oracle-dba-automation-scripts.pdf
    • http://www.gorillawalker.com/mathematics-manual-for-water-and-wastewater-treatment-plant-operators-second.pdf
    • http://www.gorillawalker.com/taylor-s-weekend-gardening-guide-to-plants-for-problem-places.pdf
    • http://www.gorillawalker.com/management-accounting-research-in-practice-lessons-learned-from-an-interventionist.pdf
    • http://www.gorillawalker.com/the-fairy-bell-sisters-3-golden-at-the-fancy-dress.pdf
    • http://www.gorillawalker.com/new-novel-new-wave-new-politics-fiction-and-the-representation.pdf
    • http://www.gorillawalker.com/berlin-kern-rodgers-hart-and-hammerstein-a-complete-song-catalogue.pdf
    • http://www.gorillawalker.com/liars-inc.pdf
    • http://www.gorillawalker.com/diesel-locomotives-of-csxt-predecessors-in-color.pdf
    • http://www.gorillawalker.com/fanny-and-adelaide-the-lives-of-the-remarkable-kemble-sisters.pdf
    • http://www.gorillawalker.com/tyranny-of-the-spirit-domination-and-submission-in-adolescent-relationships.pdf
    • http://www.gorillawalker.com/young-architects-4-material-process-v-4.pdf
    • http://www.gorillawalker.com/a-box-full-of-lilly.pdf
    • http://www.gorillawalker.com/textbook-of-veterinary-anatomy-pageburst-e-book-on-kno-retail.pdf
    • http://www.gorillawalker.com/on-mysticism-penguin-classics.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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