Malicious PDF — malware analysis report

Static analysis result for SHA-256 07ff844e79329953…

MALICIOUS

PDF

42.6 KB Created: 2018-11-14 08:43:59 +03:00 Authoring application: tFPDF 1.03
MD5: 15d1e13d60b928c8d7c938f598864760 SHA-1: 5bbcb42cb5cd7b9380d7c9f45447f265039142a9 SHA-256: 07ff844e793299534487bb877c72ea7f17f086350488c17a5397c234d284325a
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, detected as a 'PDF_SEO_LINK_FARM'. This suggests the document's primary purpose is to redirect users to a website hosting numerous other documents, potentially for SEO manipulation or to serve as a distribution point for further malicious content. While no scripts were explicitly extracted, the nature of the embedded links and the ML classifier's high confidence indicate malicious intent, likely involving the exploitation of PDF vulnerabilities or social engineering to encourage user interaction with the links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9181

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.
  • ClamAV: Pdf.Dropper.Agent-7225581-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7225581-0
  • 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/china-neu-erzahlen-su-tongs-erzahlungen-zwischen-vergangenheit-und-gegenwart.pdf
    • http://www.gorillawalker.com/drafting-technology-patent-license-agreements.pdf
    • http://www.gorillawalker.com/my-top-five-prague-kindle-edition.pdf
    • http://www.gorillawalker.com/emerald-eye-8-message-of-the-death-japanese-edition-kindle.pdf
    • http://www.gorillawalker.com/easy-organ-classics-dover-music-for-organ.pdf
    • http://www.gorillawalker.com/mortal-friends-best-enemies-german-russian-cooperation-after-the-cold.pdf
    • http://www.gorillawalker.com/in-vietnam-kindle-edition.pdf
    • http://www.gorillawalker.com/hidden-persuasion-33-psychological-influences-techniques-in-advertising.pdf
    • http://www.gorillawalker.com/general-veterinary-surgery.pdf
    • http://www.gorillawalker.com/brass-scales-exercises-french-horn-from-2015-grades-1-8.pdf
    • http://www.gorillawalker.com/fundamentals-of-college-admission-counseling-a-textbook-for-graduate-students.pdf
    • http://www.gorillawalker.com/the-millionaire-code-16-paths-to-wealth-building.pdf
    • http://www.gorillawalker.com/healing-dreams-exploring-the-dreams-that-can-transform-your-life.pdf
    • http://www.gorillawalker.com/freddie-the-frog-and-the-jungle-jazz-a-musical-jazz.pdf
    • http://www.gorillawalker.com/melting-point-hot-in-chicago.pdf
    • http://www.gorillawalker.com/whodunit-crime-mysteries.pdf
    • http://www.gorillawalker.com/silent-heart.pdf
    • http://www.gorillawalker.com/smallpox-a-history.pdf
    • http://www.gorillawalker.com/archaeological-researches-in-costa-rica-primary-source-edition.pdf
    • http://www.gorillawalker.com/literature-an-introduction-to-reading-and-writing-10th-edition.pdf
    • http://www.gorillawalker.com/american-indian-children-at-school-1850-1930.pdf
    • http://www.gorillawalker.com/flip-flash-math-equivalent-fractions-decimals-and-percents.pdf
    • http://www.gorillawalker.com/the-syriac-primer-reading-writing-vocabulary-grammar-jsot-manuals.pdf
    • http://www.gorillawalker.com/nightmare.pdf
    • http://www.gorillawalker.com/barcelona-the-great-enchantress-directions-kindle-edition.pdf
    • http://www.gorillawalker.com/guidelines-for-treating-and-controlling-tobacco-use-and-dependence-public.pdf
    • http://www.gorillawalker.com/divergent-paths-sage-seed-chronicles-book-2-kindle-edition.pdf
    • http://www.gorillawalker.com/an-introduction-to-classics-to-moderns-forty-very-easy-original.pdf
    • http://www.gorillawalker.com/how-to-form-a-limited-liability-company-with-forms.pdf
    • http://www.gorillawalker.com/berndtson-berndtson-brussels-map-city-streets.pdf
    • http://www.gorillawalker.com/law-of-desire-temporary-marriage-in-shi-i-iran-contemporary.pdf
    • http://www.gorillawalker.com/substance-abuse-information-for-school-counselors-social-workers-therapists-and.pdf
    • http://www.gorillawalker.com/endangered-and-extinct-mammals-lightning-bolt-books-animals-in-danger.pdf
    • http://www.gorillawalker.com/an-amit-offir-sketchbook-sketchbook-for-kids-artists-sketching-books.pdf
    • http://www.gorillawalker.com/sir-philip-sidney-courtier-poet.pdf
    • http://www.gorillawalker.com/survival-essentials-first-aid-survival-medicine-the-ultimate-family-guide.pdf
    • http://www.gorillawalker.com/transport-phenomena-and-unit-operations-a-combined-approach.pdf
    • http://www.gorillawalker.com/mozart-variations-on-ah-vous-dirais-je-maman-kalmus-edition.pdf
    • http://www.gorillawalker.com/returning-a-borrowed-tongue-an-anthology-of-filipino-and-filipino.pdf
    • http://www.gorillawalker.com/parvana-s-journey-breadwinner.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/

Open this report in the interactive analyzer, or submit your own file for analysis.