Malicious PDF — malware analysis report

Static analysis result for SHA-256 11f45d6a28abe008…

MALICIOUS

PDF

31.8 KB Created: 2019-05-24 00:42:16 +03:00 Authoring application: - (via Apache FOP Version 0.93)
MD5: 8c2d6e2838a728a0dc708ac2fa9786a8 SHA-1: 7651601e8a58f227547be3a8345f78b103050c71 SHA-256: 11f45d6a28abe0082f5ec3b8de05c29da16b7e87972475f5d447722e4df67b94
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was heavily obfuscated.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8447

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/the-maiden-the-marquis-marquis-de-sade-group-erotica-tale.pdf
    • http://www.gorillawalker.com/dirt-on-dating-the-the-dirt.pdf
    • http://www.gorillawalker.com/sensation-and-perception-a-history-of-the-philosophy-of-perception.pdf
    • http://www.gorillawalker.com/every-man-a-tiger.pdf
    • http://www.gorillawalker.com/legal-pluralism-and-empires-1500-1850.pdf
    • http://www.gorillawalker.com/erotic-photography-anime-army-13-erotic-sex-stories-erotic-photography.pdf
    • http://www.gorillawalker.com/atlantis-insights-from-a-lost-civilization.pdf
    • http://www.gorillawalker.com/lost-pharaohs-kegan-paul-library-of-ancient-egypt.pdf
    • http://www.gorillawalker.com/the-phantom-and-the-psychic-a-paranormal-erotic-tale.pdf
    • http://www.gorillawalker.com/electricity-auctions-an-overview-of-efficient-practices-world-bank-studies.pdf
    • http://www.gorillawalker.com/by-jimmy-d-bartlett-clinical-ocular-pharmacology-5th-fifth-edition.pdf
    • http://www.gorillawalker.com/le-livre-de-l-ind-pendance.pdf
    • http://www.gorillawalker.com/great-lakes-butterflies-moths-a-folding-pocket-guide-to-familiar.pdf
    • http://www.gorillawalker.com/graphs-mathbooks.pdf
    • http://www.gorillawalker.com/one-rubber-duckie-sesame-street.pdf
    • http://www.gorillawalker.com/antes-de-tener-un-cachorro-spanish-edition.pdf
    • http://www.gorillawalker.com/the-snake.pdf
    • http://www.gorillawalker.com/a-history-of-sports-coaching-in-britain-overcoming-amateurism-routledge.pdf
    • http://www.gorillawalker.com/flutterfield-fairies-barbie-hologramatic-sticker-book.pdf
    • http://www.gorillawalker.com/the-black-and-white-photography-book-second-revised-edition.pdf
    • http://www.gorillawalker.com/hagakure-the-code-of-the-samurai-the-manga-edition.pdf
    • http://www.gorillawalker.com/more-joy-in-heaven-confession-the-sacrament-of-reconciliation.pdf
    • http://www.gorillawalker.com/the-blues-line-blues-lyrics-from-leadbelly-to-muddy-waters.pdf
    • http://www.gorillawalker.com/transport-phenomena-studies-via-computational-simulation-in-structural-materials-processing.pdf
    • http://www.gorillawalker.com/adult-and-continuing-education-concepts-methodologies-tools-and-applications.pdf
    • http://www.gorillawalker.com/the-investigator.pdf
    • http://www.gorillawalker.com/surgery-pretest-self-assessment-and-review-thirteenth-edition-pretest-clinical.pdf
    • http://www.gorillawalker.com/the-school-of-gallantry-boxed-set-two-night-of-pleasure.pdf
    • http://www.gorillawalker.com/book-9-neonatal-anesthesia-pediatric-anesthesiology-review-topics.pdf
    • http://www.gorillawalker.com/trophy-kid-or-how-i-was-adopted-by-the-rich.pdf
    • http://www.gorillawalker.com/god-s-wonder-2016-hdr-photo-wall-calendar.pdf
    • http://www.gorillawalker.com/introduction-to-social-problems-books-a-la-carte-edition-plus.pdf
    • http://www.gorillawalker.com/gmat-lesson-book-kaplan-test-prep-and-admissions-paperback.pdf
    • http://www.gorillawalker.com/art-of-black-and-white-photography.pdf
    • http://www.gorillawalker.com/le-man-ge-de-monsieur-grimm-french-edition.pdf
    • http://www.gorillawalker.com/knotwork-and-spirals-a-celtic-art-workbook.pdf
    • http://www.gorillawalker.com/french-advance.pdf
    • http://www.gorillawalker.com/the-bluffer-s-guide-to-skiing-bluffer-s-guides.pdf
    • http://www.gorillawalker.com/adirondack-sampler-two-backpacking.pdf
    • http://www.gorillawalker.com/koukousotugyoumadeno-sakkasenjutu-japanese-edition-kindle-edition.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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