Malicious PDF — malware analysis report

Static analysis result for SHA-256 27490ceca20f4726…

MALICIOUS

PDF

41.6 KB Created: 2019-04-30 16:28:49 +03:00 Authoring application: Adobe InDesign CS5.5 (7.5) (via Adobe PDF Library 9.9)
MD5: 555c90d1a7a9162640db1525e57ce224 SHA-1: a3d55ba8f13820abebf5cbd7a23e47da6d01b904 SHA-256: 27490ceca20f47260e20f9c95ec97063a837aa0f517930e6f9eea5301d76cd3b
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file exhibits a 'link farm' behavior, embedding numerous external links to other PDF documents hosted on the same domain. This technique is often used for SEO manipulation or to distribute malicious content indirectly. While no scripts were extracted, the sheer volume of links suggests a coordinated effort to direct traffic or potentially host malicious payloads. The document body was heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.

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/one-page-ca-bar-cheat-sheets-professional-responsibility.pdf
    • http://www.gorillawalker.com/film-sound-theory-and-practice.pdf
    • http://www.gorillawalker.com/lost-legends-of-the-lakes-an-illustrated-history.pdf
    • http://www.gorillawalker.com/married-to-madness.pdf
    • http://www.gorillawalker.com/captive-in-the-spotlight-blackmailed-bride-innocent-wife.pdf
    • http://www.gorillawalker.com/mari-and-the-bible-studies-in-the-history-and-culture.pdf
    • http://www.gorillawalker.com/the-practice-of-creativity-a-manual-for-dynamic-group-problem.pdf
    • http://www.gorillawalker.com/resistance-breeds-need-for-innovation-in-lice-tx-dermatologic-therapy.pdf
    • http://www.gorillawalker.com/plusplus-patterns-for-better-communication.pdf
    • http://www.gorillawalker.com/a-girl-is-a-half-formed-thing-a-novel.pdf
    • http://www.gorillawalker.com/pedro-and-george.pdf
    • http://www.gorillawalker.com/wealth-in-the-uk-distribution-accumulation-and-policy.pdf
    • http://www.gorillawalker.com/charge-nurse-program-builder-tools-for-developing-unit-leaders.pdf
    • http://www.gorillawalker.com/too-many-cooks-kitchen-adventures-with-1-mom-4-kids.pdf
    • http://www.gorillawalker.com/complete-guide-to-travel-agency-automation-travel-management-library.pdf
    • http://www.gorillawalker.com/monday-memos-a-daily-devotional-for-those-in-the-workplace.pdf
    • http://www.gorillawalker.com/sotheby-s-catalogue-of-watches-scientific-instruments-barometers-and-good.pdf
    • http://www.gorillawalker.com/calendar-mysteries-8-august-acrobat-a-stepping-stone-book-tm.pdf
    • http://www.gorillawalker.com/birnbaum-s-disneyland-2013-birnbaum-guides.pdf
    • http://www.gorillawalker.com/10-hymns-and-gospel-songs-medium-low-voice-book-cd.pdf
    • http://www.gorillawalker.com/the-runaway-jury-a-novel.pdf
    • http://www.gorillawalker.com/let-s-discuss-abortion.pdf
    • http://www.gorillawalker.com/slade-house-a-novel.pdf
    • http://www.gorillawalker.com/the-sassafras-guide-to-anatomy.pdf
    • http://www.gorillawalker.com/excalibur.pdf
    • http://www.gorillawalker.com/langmuir-probe-in-theory-and-practice.pdf
    • http://www.gorillawalker.com/mel-bay-solo-pieces-for-the-beginning-violinist.pdf
    • http://www.gorillawalker.com/the-law-of-the-somalis-a-stable-foundation-for-economic.pdf
    • http://www.gorillawalker.com/sternenhimmel-lesen-lernen-macht-spass-dieses-buch-soll-kinder-anregen.pdf
    • http://www.gorillawalker.com/lectures-on-modern-magnetism.pdf
    • http://www.gorillawalker.com/vietnam-travel-adventures-kindle-edition.pdf
    • http://www.gorillawalker.com/missing-mummy-living-in-the-shadow-of-an-alcoholic-parent.pdf
    • http://www.gorillawalker.com/surgery-of-the-upper-respiratory-system.pdf
    • http://www.gorillawalker.com/neuro-ophthalmology-review-manual.pdf
    • http://www.gorillawalker.com/the-essential-rene-magritte-essential-harry-n-abrams.pdf
    • http://www.gorillawalker.com/geriatric-physical-diagnosis-a-guide-to-observation-and-assessment.pdf
    • http://www.gorillawalker.com/the-college-portable-mba-set.pdf
    • http://www.gorillawalker.com/going-to-war-in-roman-times-armies-of-the-past.pdf
    • http://www.gorillawalker.com/interest-groups-unleashed.pdf
    • http://www.gorillawalker.com/zagatsurvey-2000-new-orlean-restaurants-zagatsurvey-new-orleans-restaurants-2000.pdf
    • http://www.gorillawalker.com/the-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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