Malicious PDF — malware analysis report

Static analysis result for SHA-256 5e99b3afbffa4fcd…

MALICIOUS

PDF

43.4 KB Created: 2019-01-06 08:02:11 +03:00 Authoring application: Acrobat PDFMaker 15 for Word (via Adobe PDF Library 15.0)
MD5: 1e9ead2d2b3395a6488a946bd8d12189 SHA-1: a69676202e8fa2d800484680abb204fcdc48a685 SHA-256: 5e99b3afbffa4fcd21092255461ac3108a0b159e2cdf84a6a3dfff0ed1038363
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. This suggests an attempt to manipulate search engine results or redirect users to potentially malicious content hosted on external domains. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9171

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/250ex-power-increase-mechanic-tips-an-article-from-atv-sport.pdf
    • http://www.gorillawalker.com/pillars-in-ethiopian-history-vol-i-william-leo-hansberry-african.pdf
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    • http://www.gorillawalker.com/mystic-turtleback-school-library-binding-edition-soul-seekers.pdf
    • http://www.gorillawalker.com/connected-math-project-gr-8-clever-counting-se-connected-mathematics.pdf
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    • http://www.gorillawalker.com/equity-valuation-models-from-leading-investment-banks-the-wiley-finance.pdf
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    • http://www.gorillawalker.com/scheduling-for-parallel-processing-computer-communications-and-networks.pdf
    • http://www.gorillawalker.com/money-sex-and-power-toward-a-feminist-historical-materialism-northeastern.pdf
    • http://www.gorillawalker.com/american-congregations-volume-1-portraits-of-twelve-religious-communities.pdf
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    • http://www.gorillawalker.com/dwight-macdonald-and-the-politics-circle-the-challenge-of-cosmopolitan.pdf
    • http://www.gorillawalker.com/the-lord-will-answer-kindle-edition.pdf
    • http://www.gorillawalker.com/vision-your-pathway-to-victory.pdf
    • http://www.gorillawalker.com/hake-s-guide-to-presidential-campaign-collectibles-an-illustrated-price.pdf
    • http://www.gorillawalker.com/history-after-lacan-opening-out-feminism-for-today.pdf
    • http://www.gorillawalker.com/concerto-in-c-major-for-bassoon-strings-and-basso-continuo.pdf
    • http://www.gorillawalker.com/bloom-50-things-to-say-think-and-do-with-anxious.pdf
    • http://www.gorillawalker.com/faile-works-on-wood-process-paintings-and-sculpture.pdf
    • http://www.gorillawalker.com/mcgraw-hill-handbook-of-electrical-construction-calculations-revised-edition.pdf
    • http://www.gorillawalker.com/retirement-planning-textbook-2013.pdf
    • http://www.gorillawalker.com/disney-princess-with-stickers-and-posters-disney-comics-collection.pdf
    • http://www.gorillawalker.com/petrus-martyr-anglerius-legatio-babylonica-edition-bersetzung-und-kommentar-von.pdf
    • http://www.gorillawalker.com/history-of-the-gothic-twentieth-century-gothic-university-of-wales.pdf
    • http://www.gorillawalker.com/threads-of-history-a-thematic-approach-to-our-nation-s.pdf
    • http://www.gorillawalker.com/the-holy-bible-new-king-james-version-burgundy.pdf
    • http://www.gorillawalker.com/fundamentals-of-corporate-finance-with-connect-plus-access-card.pdf
    • http://www.gorillawalker.com/abandoned-a-devontray-and-his-brothers-series-book-1-volume.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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