Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b32b5bbd7b98075…

MALICIOUS

PDF

43.4 KB Created: 2018-12-07 18:27:16 +03:00 Authoring application: Acrobat PDFMaker 9.0 for Word (via Acrobat Distiller 9.0.0 (Windows))
MD5: 799c089272d50038f3625707bdb41927 SHA-1: 7189f90c929d026bf426b5d214aed6be7679011d SHA-256: 0b32b5bbd7b980759e0c8ddc80efe8003274545338a99f90c2b1f9654e3d4082
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The file was identified as malicious by ClamAV and an ML classifier. Static analysis revealed a PDF containing a large number of external links, a technique often used for SEO manipulation or to host malicious content. The document body was heavily obfuscated and unreadable, providing no further context on its specific intent beyond the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8452

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-7142975-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7142975-0
  • 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/indigestion-treated-by-gymnastics.pdf
    • http://www.gorillawalker.com/handbook-of-clinical-health-psychology-volume-2-disorders-of-behavior.pdf
    • http://www.gorillawalker.com/get-outta-my-head-my-journey-living-with-brain-cancer.pdf
    • http://www.gorillawalker.com/promoting-the-emotional-well-being-of-children-and-adolescents-and.pdf
    • http://www.gorillawalker.com/the-diver-s-clothes-lie-empty-a-novel.pdf
    • http://www.gorillawalker.com/romancing-with-life.pdf
    • http://www.gorillawalker.com/bee-life-small-world.pdf
    • http://www.gorillawalker.com/moving-to-the-philippines.pdf
    • http://www.gorillawalker.com/human-geography-people-places-and-change-study-guide.pdf
    • http://www.gorillawalker.com/guide-vert-pays-bas-green-guide-in-french-the-netherlands.pdf
    • http://www.gorillawalker.com/supersense-why-we-believe-in-the-unbelievable.pdf
    • http://www.gorillawalker.com/tango-tenor-recorder.pdf
    • http://www.gorillawalker.com/harry-partch-hobo-composer-eastman-studies-in-music.pdf
    • http://www.gorillawalker.com/uncool-photos-solution-series-043-nikon-d2x-pro-shot-rail.pdf
    • http://www.gorillawalker.com/simplified-design-of-reinforced-concrete-buildings.pdf
    • http://www.gorillawalker.com/calligraphy-stroke-by-stroke.pdf
    • http://www.gorillawalker.com/the-cape-of-good-hope-a-maritime-history.pdf
    • http://www.gorillawalker.com/soc-stud-atlas-liberian-elem-sch-2e.pdf
    • http://www.gorillawalker.com/tolley-s-yellow-tax-handbook-2014-15.pdf
    • http://www.gorillawalker.com/eczema-diet-itch-no-more-end-skin-rashes-skin-irritation.pdf
    • http://www.gorillawalker.com/pearson-s-comprehensive-medical-coding-access-card-pearson-etext.pdf
    • http://www.gorillawalker.com/the-arts-and-crafts-garden-shire-library-kindle-edition.pdf
    • http://www.gorillawalker.com/you-inc-the-art-of-selling-yourself.pdf
    • http://www.gorillawalker.com/elizabeth-cady-stanton-as-revealed-in-her-letters-diary-abridged.pdf
    • http://www.gorillawalker.com/gay-fairy-tales-1-2-3-kindle-edition.pdf
    • http://www.gorillawalker.com/introduction-to-digital-design-using-digilent-fpga-boards-vhdl-edition.pdf
    • http://www.gorillawalker.com/u-s-paper-money-errors.pdf
    • http://www.gorillawalker.com/thrive-the-vegan-nutrition-guide-to-optimal-performance-in-sports.pdf
    • http://www.gorillawalker.com/networking-a-beginner-s-guide-fifth-edition-networking-professional-s.pdf
    • http://www.gorillawalker.com/physical-geology-laboratory-manual-13th-thirteenth-edition.pdf
    • http://www.gorillawalker.com/ancient-churches-of-ethiopia.pdf
    • http://www.gorillawalker.com/vadim-yasinovsky-give-everyone-a-deal-clear-software-pres-speaks.pdf
    • http://www.gorillawalker.com/backsliding.pdf
    • http://www.gorillawalker.com/collapsing-webster-s-specialty-crossword-puzzles-volume-1-the-essentials.pdf
    • http://www.gorillawalker.com/the-vampire-diaries-stefan-s-diaries-1-origins.pdf
    • http://www.gorillawalker.com/clinical-sleep-disorders.pdf
    • http://www.gorillawalker.com/casenotes-legal-briefs-commercial-law-keyed-to-lopucki-warren-keating.pdf
    • http://www.gorillawalker.com/work-related-learning.pdf
    • http://www.gorillawalker.com/truck-duck-modern-gem.pdf
    • http://www.gorillawalker.com/earthquakes-and-tsunamis-in-the-past-a-guide-to-techniques.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.