Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a6db1a56a00791c…

MALICIOUS

PDF

39.0 KB Created: 2019-03-17 11:21:14 +03:00 Authoring application: - (via iText 2.1.0 (by lowagie.com))
MD5: 60a91e206c23c7105cc4b6a72d645127 SHA-1: f70fc17f395ecc975d2ba8164358a9e9e60947a6 SHA-256: 4a6db1a56a00791cf610669102535b41cf03d10362c0a1b95ed5f6473669287e
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and contains a significant number of embedded external links. This suggests a link farm or SEO poisoning attack, where the document is designed to drive traffic or manipulate search results. The specific URLs point to various PDF documents hosted on the same domain, indicating a coordinated effort to distribute content or potentially lure users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8901

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/what-every-professional-organizer-needs-to-know-about-hoarding.pdf
    • http://www.gorillawalker.com/euphoria.pdf
    • http://www.gorillawalker.com/barron-s-ap-calculus-flash-cards-covers-calculus-ab-and.pdf
    • http://www.gorillawalker.com/effective-managerial-leadership.pdf
    • http://www.gorillawalker.com/transforming-childhood-trauma-8-spiritual-steps-to-reclaim-your-life.pdf
    • http://www.gorillawalker.com/particle-physics-graduate-texts-in-physics.pdf
    • http://www.gorillawalker.com/129-147-groakommentare-der-praxis-german-edition.pdf
    • http://www.gorillawalker.com/the-weil-representation-maslov-index-and-theta-series-progress-in.pdf
    • http://www.gorillawalker.com/managing-the-city-economy-challenges-and-strategies-in-developing-countries.pdf
    • http://www.gorillawalker.com/room-space-law-paperback.pdf
    • http://www.gorillawalker.com/the-grandkid.pdf
    • http://www.gorillawalker.com/the-roman-army-a-social-and-institutional-history.pdf
    • http://www.gorillawalker.com/paul-is-undead.pdf
    • http://www.gorillawalker.com/the-great-vegetarian-cookbook-the-chef-s-secret-recipes-chefs.pdf
    • http://www.gorillawalker.com/ufos-over-long-island-new-york.pdf
    • http://www.gorillawalker.com/long-promised-road-carl-wilson-soul-of-the-beach-boys.pdf
    • http://www.gorillawalker.com/laser-strophometry-high-resolution-techniques-for-velocity-gradient-measurements-in.pdf
    • http://www.gorillawalker.com/the-illuminated-torah-paintings-and-essays-on-the-weekly-portions.pdf
    • http://www.gorillawalker.com/best-practice-in-inventory-management.pdf
    • http://www.gorillawalker.com/vaudeville.pdf
    • http://www.gorillawalker.com/hell-yes-hell-no.pdf
    • http://www.gorillawalker.com/the-algebraic-structure-of-group-rings-dover-books-on-mathematics.pdf
    • http://www.gorillawalker.com/twisted.pdf
    • http://www.gorillawalker.com/genital-herpes-guide-to-differential-diagnosis.pdf
    • http://www.gorillawalker.com/mpls-for-cisco-networks-a-ccie-v5-guide-to-multiprotocol.pdf
    • http://www.gorillawalker.com/stem-cell-transplantation-for-hematologic-malignancies-contemporary-hematology.pdf
    • http://www.gorillawalker.com/spying-game-edge-on-the-edge.pdf
    • http://www.gorillawalker.com/english-for-law-in-higher-education-studies-english-for-specific.pdf
    • http://www.gorillawalker.com/author-s-response-letters-to-the-eidtor-an-article-from.pdf
    • http://www.gorillawalker.com/hopi-silver-the-history-and-hallmarks-of-hopi-silversmithing.pdf
    • http://www.gorillawalker.com/everyday-life-in-southeast-asia.pdf
    • http://www.gorillawalker.com/fodor-s-guide-to-india-1967-by-eugene-fodor-and.pdf
    • http://www.gorillawalker.com/ukulele-songs-for-dummies.pdf
    • http://www.gorillawalker.com/yamada-kun-and-the-seven-witches-5.pdf
    • http://www.gorillawalker.com/elk-hunting-201-big-bulls-essentials-for-a-successful-hunt.pdf
    • http://www.gorillawalker.com/mauritius-south-rugged-scenery-and-stunning-beaches-a-souvenir-safn.pdf
    • http://www.gorillawalker.com/the-right-to-refuse-mental-health-treatment-law-and-public.pdf
    • http://www.gorillawalker.com/manual-of-intrauterine-insemination-and-ovulation-induction.pdf
    • http://www.gorillawalker.com/f-in-science-f-in-exams.pdf
    • http://www.gorillawalker.com/the-holy-zohar-the-book-of-avraham-a-book-of.pdf
    • http://www.gorillawalker.com/managing-the-city-economy-
    • 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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