Malicious PDF — malware analysis report

Static analysis result for SHA-256 605b3d014279e3d1…

MALICIOUS

PDF

43.4 KB Created: 2018-12-15 08:53:26 +03:00 Authoring application: PScript5.dll Version 5.2.2 (via iText 2.1.7 by 1T3XT)
MD5: d2aaf03cc07f3abc1983a858e7f29822 SHA-1: af296866837feeeb53b3fee99719a157b42bf2a1 SHA-256: 605b3d014279e3d142f321d662e42377840b0bc4946686e0d587b9f939f6a291
100 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 presence of embedded URLs and the ML classifier's high confidence score suggest malicious intent, likely to direct users to malicious websites or for SEO spam. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

Heuristics 3

  • 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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/death-at-dovecote-hatch-a-1930s-country-house-murder-mystery.pdf
    • http://www.gorillawalker.com/index-of-drinking-water-adequacy-idwa-international-and-intra-national.pdf
    • http://www.gorillawalker.com/the-low-carb-revolution-why-the-secret-to-losing-weight.pdf
    • http://www.gorillawalker.com/el-precio-the-price-of-passion-spanish-seduction-book-2.pdf
    • http://www.gorillawalker.com/the-encyclopedia-of-lost-and-rejected-scriptures-the-pseudepigrapha-and.pdf
    • http://www.gorillawalker.com/the-periglaciation-of-great-britain.pdf
    • http://www.gorillawalker.com/fatal-burn-mills-boon-love-inspired-big-sky-secrets-book.pdf
    • http://www.gorillawalker.com/the-last-drop-the-politics-of-water-digital.pdf
    • http://www.gorillawalker.com/como-evitar-una-maldicion-de-dragon-spanish-edition.pdf
    • http://www.gorillawalker.com/messiah-hwv-56-part-iii-chorus-worthy-is-the-lamb.pdf
    • http://www.gorillawalker.com/toefl-test-measures-ibt-writing-2013-isbn-4887841388-japanese-import.pdf
    • http://www.gorillawalker.com/breast-cancer-md-anderson-solid-tumor-oncology-series.pdf
    • http://www.gorillawalker.com/endometriosis-pipeline-review-q4-2010-download-pdf-digital.pdf
    • http://www.gorillawalker.com/gettysburg-the-final-fury-vintage-civil-war-library.pdf
    • http://www.gorillawalker.com/america-on-stone-the-other-printmakers-to-the-american-people.pdf
    • http://www.gorillawalker.com/plazas-and-barrios-heritage-tourism-and-globalization-in-the-latin.pdf
    • http://www.gorillawalker.com/the-pronunciation-of-english-a-course-book.pdf
    • http://www.gorillawalker.com/10-principais-diferencas-entre-os-milionarios-e-a-em-portugues.pdf
    • http://www.gorillawalker.com/criminal-law-a-contemporary-approach-2d-interactive-casebook-series.pdf
    • http://www.gorillawalker.com/final-warning-economic-collapse-and-the-coming-world-government.pdf
    • http://www.gorillawalker.com/electricity-for-hvacr.pdf
    • http://www.gorillawalker.com/how-to-market-and-sell-your-art-music-photographs-and.pdf
    • http://www.gorillawalker.com/microwave-circuit-modeling-using-electromagnetic-field-simulation-artech-house-microwave.pdf
    • http://www.gorillawalker.com/restoring-my-soul-a-workbook-for-finding-and-living-the.pdf
    • http://www.gorillawalker.com/more-the-politics-of-economic-growth-in-postwar-america.pdf
    • http://www.gorillawalker.com/lectures-on-sl2-c-modules.pdf
    • http://www.gorillawalker.com/nirvana-for-sale-buddhism-wealth-and-the-dhammakaya-temple-in.pdf
    • http://www.gorillawalker.com/the-usborne-healthy-cookbook-children-s-cooking.pdf
    • http://www.gorillawalker.com/the-constitution-of-singapore-a-contextual-analysis-constitutional-systems-of.pdf
    • http://www.gorillawalker.com/boko-haram-between-myth-and-reality-breaking-the-silence-in.pdf
    • http://www.gorillawalker.com/the-whole-school-library-handbook-2.pdf
    • http://www.gorillawalker.com/dead-to-the-world-sookie-stackhouse-true-blood.pdf
    • http://www.gorillawalker.com/socrate-vocal-score-french-edition.pdf
    • http://www.gorillawalker.com/cry-me-a-river-piano-vocal-sheet-music.pdf
    • http://www.gorillawalker.com/epochs-of-greek-and-roman-biography-sather-classical-lectures-v4.pdf
    • http://www.gorillawalker.com/professional-cooking-2e-im-sg-t-a.pdf
    • http://www.gorillawalker.com/umami-unlocking-the-secrets-of-the-fifth-taste-arts-and.pdf
    • http://www.gorillawalker.com/trial-by-fire-mills-boon-love-inspired.pdf
    • http://www.gorillawalker.com/the-business-of-ios-app-development-for-iphone-ipad-and.pdf
    • http://www.gorillawalker.com/naughty-wives-taylor.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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