Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1c0519104bc9428…

MALICIOUS

PDF

34.6 KB Created: 2020-02-21 01:50:35 +03:00 Authoring application: Data Dynamics ActiveReports (tm) for .NET
MD5: 17676dce2d7f47a1b2a303662da5882c SHA-1: 4410e015885c4bc66deba660c495f44e76239634 SHA-256: d1c0519104bc9428722aa67c9612493159d7917fac8d315e5e82893995254b81
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

The PDF document was flagged by a machine learning classifier and exhibits a critical heuristic for hosting a large number of external links. These links, predominantly hosted on www.gorillawalker.com, suggest a link farm or redirection scheme rather than legitimate document content. No scripts were extracted, but the sheer volume of outbound links points to a malicious intent, likely for SEO manipulation or to distribute further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8018

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/eglise-en-islam-meditation-sur-l-existence-chretienne-en-algerie.pdf
    • http://www.gorillawalker.com/medical-pocket-reference-pediatric-drugs.pdf
    • http://www.gorillawalker.com/archaeological-sediments-in-context-peopling-of-the-americas-edited-volume.pdf
    • http://www.gorillawalker.com/apples-and-pears-teacher-s-notes-bk-a-sound-foundations.pdf
    • http://www.gorillawalker.com/world-cinema-and-the-ethics-of-realism.pdf
    • http://www.gorillawalker.com/the-mammoth-book-of-best-new-horror-1999-tenth-anniversary.pdf
    • http://www.gorillawalker.com/vol-2-explanation-of-sumerian-and-assyrian-tablets-slabs-and.pdf
    • http://www.gorillawalker.com/operational-risk-management-a-case-study-approach-to-effective-planning.pdf
    • http://www.gorillawalker.com/complete-guide-to-asset-protection-strategies.pdf
    • http://www.gorillawalker.com/the-alli-diet-plan-your-essential-guide-to-success-with.pdf
    • http://www.gorillawalker.com/basics-typography-03-understanding-type.pdf
    • http://www.gorillawalker.com/under-the-northern-lights-alaskan-quest-book-2.pdf
    • http://www.gorillawalker.com/dental-implant-prosthetics-2e.pdf
    • http://www.gorillawalker.com/dude-ranch-from-hell-lily-volume-1.pdf
    • http://www.gorillawalker.com/duff-bakes-think-and-bake-like-a-pro-at-home.pdf
    • http://www.gorillawalker.com/jane-eyre-collector-s-edition-easton-press-the-100-greatest.pdf
    • http://www.gorillawalker.com/growing-beyond-hate-keys-to-freedom-from-discord-racism-sexism.pdf
    • http://www.gorillawalker.com/origami-design-secrets-mathematical-methods-for-an-ancient-art-paperback.pdf
    • http://www.gorillawalker.com/laser-spectroscopy-xiii-international-conference-hangzhou-china-2-7-june.pdf
    • http://www.gorillawalker.com/the-girl-who-came-home-a-novel-of-the-titanic.pdf
    • http://www.gorillawalker.com/quaker-writings-an-anthology-1650-1920-penguin-classics.pdf
    • http://www.gorillawalker.com/being-and-knowing-reflections-of-a-thomist.pdf
    • http://www.gorillawalker.com/vexing-voss-coletti-warlords-book-3.pdf
    • http://www.gorillawalker.com/the-pearl-victorian-erotic-classics.pdf
    • http://www.gorillawalker.com/top-hats-and-flappers-the-art-of-russell-patterson.pdf
    • http://www.gorillawalker.com/risk-assessment-framework-implementation-guide.pdf
    • http://www.gorillawalker.com/american-media-history-with-infotrac.pdf
    • http://www.gorillawalker.com/the-gulf-war-and-the-new-world-order.pdf
    • http://www.gorillawalker.com/the-every-day-book-or-everlasting-calendar-of-popular-amusements.pdf
    • http://www.gorillawalker.com/controversially-yours-an-autobiography.pdf
    • http://www.gorillawalker.com/adventures-in-ancient-egypt-good-times-travel-agency.pdf
    • http://www.gorillawalker.com/mathias-e-mnyampala-1917-1969-et-la-construction-nationale-tanzanienne.pdf
    • http://www.gorillawalker.com/brooks-cole-empowerment-series-the-skills-of-helping-individuals-families.pdf
    • http://www.gorillawalker.com/the-ganges-river-journeys.pdf
    • http://www.gorillawalker.com/study-guide-to-accompany-fundamental-managerial-accounting-concepts.pdf
    • http://www.gorillawalker.com/conditioning-for-figure-skating-off-ice-techniques-for-on-ice.pdf
    • http://www.gorillawalker.com/just-a-daydream-little-critter.pdf
    • http://www.gorillawalker.com/jenni-vive-unforgettable-baby-bilingual-edition-a-life-in-pictures.pdf
    • http://www.gorillawalker.com/natural-death-with-dignity-protecting-your-right-to-refuse-medical.pdf
    • http://www.gorillawalker.com/discrete-time-processing-of-speech-signals.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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