Malicious PDF — malware analysis report

Static analysis result for SHA-256 54e4260d41a3bd13…

MALICIOUS

PDF

42.3 KB Created: 2018-11-14 08:15:28 +03:00 Authoring application: FrameMaker 10.0.2 (via Acrobat Distiller 11.0 (Windows))
MD5: e7bad3192af4e932f86f9392557ab0d5 SHA-1: dc0fec10ba850531a0ff2eb966166ec6d3431797 SHA-256: 54e4260d41a3bd1398ce9eaea97014e763d17afe6436cd5d9cff2d9472b816f7
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, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. The primary attack pattern appears to be a link farm designed to manipulate search engine results or to distribute a large volume of content, potentially including malicious payloads, through seemingly legitimate-looking PDF links. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8698

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/photography-lighting-ultimate-guide-to-home-studio-photography-lighting-kindle.pdf
    • http://www.gorillawalker.com/worship-feast-advent-christmas-complete-worship-outlines-for-advent-and.pdf
    • http://www.gorillawalker.com/pamcooks-2.pdf
    • http://www.gorillawalker.com/survival-evasion-and-recovery-kindle-edition.pdf
    • http://www.gorillawalker.com/the-u-s-navy-seals-from-vietnam-to-finding-bin.pdf
    • http://www.gorillawalker.com/the-mammoth-book-of-street-art-an-insider-s-view.pdf
    • http://www.gorillawalker.com/the-names-of-god-kindle-edition.pdf
    • http://www.gorillawalker.com/the-no-grain-diet.pdf
    • http://www.gorillawalker.com/art-is-elementary-teaching-visual-thinking-through-art-concepts.pdf
    • http://www.gorillawalker.com/filthy-remarks-444-sex-quotes.pdf
    • http://www.gorillawalker.com/the-quantum-mechanics-of-many-body-systems-second-edition-dover.pdf
    • http://www.gorillawalker.com/500-handmade-books-volume-2-500-series.pdf
    • http://www.gorillawalker.com/glide-path-to-the-heart-of-experimental-technology-in-wwii.pdf
    • http://www.gorillawalker.com/automobile-electrical-and-electronic-systems.pdf
    • http://www.gorillawalker.com/violin-concerto-in-e-major-rv-269-set-of-parts.pdf
    • http://www.gorillawalker.com/psychology-classics-superstition-in-the-pigeon.pdf
    • http://www.gorillawalker.com/the-catfish-connection-biology-and-resource-management-series.pdf
    • http://www.gorillawalker.com/exhaust-notes-autos-articles-an-article-from-winnipeg-free-press.pdf
    • http://www.gorillawalker.com/animal-bite-infections-an-entry-from-thomson-gale-s-gale.pdf
    • http://www.gorillawalker.com/quantitative-intelligence-analysis-applied-analytic-models-simulations-and-games-security.pdf
    • http://www.gorillawalker.com/the-parenting-puzzle.pdf
    • http://www.gorillawalker.com/the-other-bears-arabic-english-arabic-edition.pdf
    • http://www.gorillawalker.com/songs-of-the-1950s-the-new-decade-series-with-online.pdf
    • http://www.gorillawalker.com/the-cross-gardener.pdf
    • http://www.gorillawalker.com/by-day-dream-gary-patterson-s-cats-mini-calendar-2015.pdf
    • http://www.gorillawalker.com/sisterhood-of-the-traveling-pants-sisterhood-of-traveling-pants-book.pdf
    • http://www.gorillawalker.com/ancient-guardians-the-legacy-of-the-key-ancient-guardian-series.pdf
    • http://www.gorillawalker.com/normandy-battles-that-changed-the-world.pdf
    • http://www.gorillawalker.com/the-essential-mathematics-glossary-ii-a-student-reference-guide-academic.pdf
    • http://www.gorillawalker.com/dido-and-aeneas-vocal-score.pdf
    • http://www.gorillawalker.com/estrada-nomination-withdrawn-an-article-from-liability-insurance-week-html.pdf
    • http://www.gorillawalker.com/the-water-of-sunlight-kindle-edition.pdf
    • http://www.gorillawalker.com/prick-of-the-spindle-print-edition-issue-4.pdf
    • http://www.gorillawalker.com/governmental-accounting-made-easy-hardcover-2009-author-warren-ruppel.pdf
    • http://www.gorillawalker.com/take-tips-to-put-pediatric-derm-patients-at-ease-clinical.pdf
    • http://www.gorillawalker.com/kiss-the-sky.pdf
    • http://www.gorillawalker.com/theory-and-practice-of-radiation-thermometry.pdf
    • http://www.gorillawalker.com/looks-good-on-paper-using-in-depth-personality-assessment-to.pdf
    • http://www.gorillawalker.com/when-dad-killed-mom.pdf
    • http://www.gorillawalker.com/student-workbook-for-kaufmann-schwitters-elementary-algebra-9th.pdf
    • http://www.gorillawalker.com/
    • 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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