Malicious PDF — malware analysis report

Static analysis result for SHA-256 7afaa7dd548bdf4e…

MALICIOUS

PDF

43.6 KB Created: 2018-12-15 08:11:20 +03:00 Authoring application: - (via ABBYY FineReader 11)
MD5: 63b77dfb18eb34ba6dda2ef3e55a5e89 SHA-1: d64a100364765ab485713ffe2c445b2ab38cf322 SHA-256: 7afaa7dd548bdf4e91931c983524c3cb3b27d306b8c90668aeb5d714bf61d513
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a heuristic firing for a 'PDF_SEO_LINK_FARM', indicating a large number of external links within the document. These links predominantly point to PDFs hosted on 'www.gorillawalker.com'. The document body is heavily obfuscated and unreadable, providing no direct clues to its intent beyond the embedded links. The primary attack pattern appears to be a lure to a large collection of external PDF files, potentially for SEO manipulation or to distribute further malicious content.

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/medieval-castle-sticker-picture-dover-sticker-books.pdf
    • http://www.gorillawalker.com/encyclopedia-of-african-american-religions-religious-information-systems.pdf
    • http://www.gorillawalker.com/spiritual-warfare-attack-against-the-woman.pdf
    • http://www.gorillawalker.com/diptera-types-in-the-canadian-national-collection-of-insects-nematocera.pdf
    • http://www.gorillawalker.com/estate-planning-to-die-for.pdf
    • http://www.gorillawalker.com/movies-in-american-history-3-volumes-an-encyclopedia.pdf
    • http://www.gorillawalker.com/lou-winning-at-illinois.pdf
    • http://www.gorillawalker.com/themen-aktuell-1-kursbuch-german-edition.pdf
    • http://www.gorillawalker.com/practical-statistical-methods-a-sas-programming-approach.pdf
    • http://www.gorillawalker.com/silversmith-the-biography-of-walter-smith.pdf
    • http://www.gorillawalker.com/open-court-reading-comprehension-and-language-arts-skills-level-5.pdf
    • http://www.gorillawalker.com/administracion-spanish-edition.pdf
    • http://www.gorillawalker.com/an-international-history-of-terrorism-western-and-non-western-experiences.pdf
    • http://www.gorillawalker.com/how-women-can-finally-stop-smoking.pdf
    • http://www.gorillawalker.com/latin-america-in-construction-architecture-1955-1980.pdf
    • http://www.gorillawalker.com/the-assassination-of-martin-luther-king-jr-april-4-1968.pdf
    • http://www.gorillawalker.com/energy-medicine-pageburst-e-book-on-vitalsource-retail-access-card.pdf
    • http://www.gorillawalker.com/it-s-me-leslie-piece-of-my-mind-devotionals-2.pdf
    • http://www.gorillawalker.com/a-victor-hugo-encyclopedia.pdf
    • http://www.gorillawalker.com/the-artifact-competition-approaching-infinity-book-1.pdf
    • http://www.gorillawalker.com/sun-dials-and-roses-of-yesterday-garden-delights-which-are.pdf
    • http://www.gorillawalker.com/out-to-lunch-green-light-readers-level-1.pdf
    • http://www.gorillawalker.com/clay-in-the-classroom-american-university-studies-series-xiv-education.pdf
    • http://www.gorillawalker.com/r-animation-urgences-et-d-faillances-visc-rales-aigu-s.pdf
    • http://www.gorillawalker.com/samlede-tildels-forhen-utrykte-afhandlinger-danish-edition.pdf
    • http://www.gorillawalker.com/lovable-dogs-pet-corner.pdf
    • http://www.gorillawalker.com/health-information-for-overseas-travel-2010-prevention-of-illness-in.pdf
    • http://www.gorillawalker.com/el-pensamiento-moderno-filosof.pdf
    • http://www.gorillawalker.com/the-revolutionary-1-x-20-rm-strength-training-program.pdf
    • http://www.gorillawalker.com/beginner-s-guide-to-reading-schematics-third-edition-tab.pdf
    • http://www.gorillawalker.com/gabrielle-and-the-leviathan.pdf
    • http://www.gorillawalker.com/precision-temperature-sensors-in-cmos-technology-analog-circuits-and-signal.pdf
    • http://www.gorillawalker.com/minecraft-secrets-70-of-the-best-minecraft-tips-and-secret.pdf
    • http://www.gorillawalker.com/the-adobe-photoshop-lightroom-5-book-for-digital-photographers-voices.pdf
    • http://www.gorillawalker.com/federal-prison-inmates-rehabilitation-and-employment-law-crime-and-law.pdf
    • http://www.gorillawalker.com/clamp-school-paranormal-investigators-vol-1.pdf
    • http://www.gorillawalker.com/benford-s-law-theory-and-applications.pdf
    • http://www.gorillawalker.com/coyote-and-rock-audio-the-parabola-storytime-series.pdf
    • http://www.gorillawalker.com/is-it-utopia-yet-an-insider-s-view-of-twin.pdf
    • http://www.gorillawalker.com/ethnographies-of-the-videogame.pdf
    • http://www.gorillawalker.com/movies-in-american-history-3-volumes-an-encyclopedia.p
    • 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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