Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f7e77c59292d3ef…

MALICIOUS

PDF

42.4 KB Created: 2018-12-15 08:10:57 +03:00 Authoring application: Acrobat PDFMaker 6.0 for Word (via Acrobat Distiller 6.0 (Windows))
MD5: 7c42d904c24ec8fdfcfa2aee4635410a SHA-1: 051ad811421ea9d36e64dcce429610f486b495b6 SHA-256: 8f7e77c59292d3efde9ff750fcb153c644b2b70dbb24d60eb44e5d7899772f5b
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 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 document body is heavily obfuscated and does not provide clear textual lures. The primary malicious activity appears to be the distribution of these numerous links, likely to manipulate search engine results or to serve as a distribution point for further malicious payloads.

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/sadko-opera-song-of-the-indian-guest-tableau-iv-full.pdf
    • http://www.gorillawalker.com/down-floodgate.pdf
    • http://www.gorillawalker.com/building-web-applications-with-python-and-neo4j.pdf
    • http://www.gorillawalker.com/guides-sixth-impairment-training-workbook-lower-extremity-guides-sixth-impairment.pdf
    • http://www.gorillawalker.com/cuentos-clasicos-infantiles-spanish-edition.pdf
    • http://www.gorillawalker.com/american-english-vocabulary-kai-shen-compiled-the-shanghai-translation-publishing.pdf
    • http://www.gorillawalker.com/the-three-day-affair.pdf
    • http://www.gorillawalker.com/hans-haacke-1967.pdf
    • http://www.gorillawalker.com/amateur-detectives-a-writer-s-guide-to-how-private-citizens.pdf
    • http://www.gorillawalker.com/spectrum-math-workbook-grade-3.pdf
    • http://www.gorillawalker.com/psychological-testing.pdf
    • http://www.gorillawalker.com/attention-all-passengers-the-airlines-dangerous-descent-and-how-to.pdf
    • http://www.gorillawalker.com/chemically-induced-magnetic-polarization-proceedings-of-the-nato-advanced-study.pdf
    • http://www.gorillawalker.com/unsichtbar-erotische-eskapaden-gesamtausgabe-german-edition.pdf
    • http://www.gorillawalker.com/density-functional-theory-of-molecules-clusters-and-solids-understanding-chemical.pdf
    • http://www.gorillawalker.com/a-magia-na-montanha-portuguese-edition.pdf
    • http://www.gorillawalker.com/conversation-cards-for-adults-familiar-words-reminiscence-activity-for-alzheimer.pdf
    • http://www.gorillawalker.com/the-way-to-wealth-workbook-part-iii-blueprints-for-success.pdf
    • http://www.gorillawalker.com/a-wretched-man-a-novel-of-paul-the-apostle-paperback.pdf
    • http://www.gorillawalker.com/deep-purple-greatest-hits-a-step-by-step-breakdown-of.pdf
    • http://www.gorillawalker.com/forgotten-scripts-their-ongoing-discovery-and-decipherment.pdf
    • http://www.gorillawalker.com/biryani.pdf
    • http://www.gorillawalker.com/1001-things-you-didn-t-know-you-wanted-to-know.pdf
    • http://www.gorillawalker.com/radical-son-a-generational-oddysey.pdf
    • http://www.gorillawalker.com/meditations-on-the-purpose-driven-life.pdf
    • http://www.gorillawalker.com/quarter-size-coin-tube-5-count.pdf
    • http://www.gorillawalker.com/business-auto-coverage-guide-3rd-edition-commercial-lines.pdf
    • http://www.gorillawalker.com/street-photography-the-art-of-capturing-the-candid-moment.pdf
    • http://www.gorillawalker.com/ending-fatigue-pain-and-reactivity-kindle-edition.pdf
    • http://www.gorillawalker.com/the-political-philosophy-of-alexander-hamilton-the-political-philosophy-of.pdf
    • http://www.gorillawalker.com/the-roar-of-the-falls-my-journey-with-kaya-american.pdf
    • http://www.gorillawalker.com/why-do-farts-smell-like-rotten-eggs-mitchell-symons-trivia.pdf
    • http://www.gorillawalker.com/the-history-of-science-and-technology-in-the-north-west.pdf
    • http://www.gorillawalker.com/insiders-guide-to-civil-war-sites-in-the-south-4th.pdf
    • http://www.gorillawalker.com/suddenly-supernatural-scaredy-kat.pdf
    • http://www.gorillawalker.com/integrated-cisco-and-unix-network-architectures-cisco-press-networking-technology.pdf
    • http://www.gorillawalker.com/a-biographical-dictionary-of-18th-century-methodism-smo-sym-biographical.pdf
    • http://www.gorillawalker.com/animals-a-visual-encyclopedia-by-dk-publishing-2008-hardcover.pdf
    • http://www.gorillawalker.com/the-eadwine-psalter-text-image-and-monastic-culture-in-twelfth.pdf
    • http://www.gorillawalker.com/analysis-of-pretest-posttest-designs.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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