Malicious PDF — malware analysis report

Static analysis result for SHA-256 e49d4f502154568f…

MALICIOUS

PDF

41.6 KB Created: 2019-01-06 08:03:10 +03:00 Authoring application: Writer (via OpenOffice.org 2.4)
MD5: 3f6f46d5dfe7e207476dc88a19c0e833 SHA-1: d20e438a48dbc7527284bdcea47315a287299d5c SHA-256: e49d4f502154568f85dde1dbe106ef96bd177160a326e0f57674b0e92cbf23a0
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a significant number of external links to other PDF documents hosted on the same domain. This behavior is consistent with SEO poisoning or link farming techniques used to distribute malicious content or manipulate search results. While no scripts were extracted, the sheer volume of links suggests a malicious intent to redirect users.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8242

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/with-or-without-you.pdf
    • http://www.gorillawalker.com/one-more-last-chance-a-place-to-call-home-book.pdf
    • http://www.gorillawalker.com/spaces-for-children.pdf
    • http://www.gorillawalker.com/21st-century-kinkycrafts.pdf
    • http://www.gorillawalker.com/the-baptist-church-hymnal-revised-edition-1933.pdf
    • http://www.gorillawalker.com/cavell-on-film-suny-series-horizons-of-cinema.pdf
    • http://www.gorillawalker.com/tortured-souls-the-legend-of-primordium.pdf
    • http://www.gorillawalker.com/critical-gestures-writings-on-dance-and-culture.pdf
    • http://www.gorillawalker.com/castle-waiting.pdf
    • http://www.gorillawalker.com/child-abuser-a-study-of-child-abusers-in-self-help.pdf
    • http://www.gorillawalker.com/the-council-tax-reductions-for-disabilities-amendment-regulations-1993-council.pdf
    • http://www.gorillawalker.com/the-indigo-spell-a-bloodlines-novel-kindle-edition.pdf
    • http://www.gorillawalker.com/el-tiempo-y-la-promesa.pdf
    • http://www.gorillawalker.com/the-origins-of-english-words-a-discursive-dictionary-of-indo.pdf
    • http://www.gorillawalker.com/6-symphonies-after-ovid-s-metamorphoses-kr-73-78-symphony.pdf
    • http://www.gorillawalker.com/the-dynamics-of-music-psychotherapy.pdf
    • http://www.gorillawalker.com/inhuman-lineage-volume-3.pdf
    • http://www.gorillawalker.com/analisi-numerica-italian-edition.pdf
    • http://www.gorillawalker.com/truth-in-memory.pdf
    • http://www.gorillawalker.com/dentistry-for-the-child-and-adolescent.pdf
    • http://www.gorillawalker.com/modern-hospitality-simple-recipes-with-southern-charm-kindle-edition.pdf
    • http://www.gorillawalker.com/what-is-your-language.pdf
    • http://www.gorillawalker.com/having-a-mary-heart-in-a-martha-world-study-guide.pdf
    • http://www.gorillawalker.com/annals-of-the-caliphs-kitchens-ibn-sayyar-al-warraq-s.pdf
    • http://www.gorillawalker.com/swaziland-foreign-policy-and-government-guide.pdf
    • http://www.gorillawalker.com/oksana-mas.pdf
    • http://www.gorillawalker.com/rigby-on-our-way-to-english-bookroom-package-grade-5.pdf
    • http://www.gorillawalker.com/comptia-a-in-21-days-training-manual-comptia-a-in.pdf
    • http://www.gorillawalker.com/contemporary-african-american-cinema-history-and-art-of-cinema-vol.pdf
    • http://www.gorillawalker.com/calvinism-a-southern-baptist-dialogue.pdf
    • http://www.gorillawalker.com/joey-goes-to-sea-maritime.pdf
    • http://www.gorillawalker.com/method-for-cello-book-1.pdf
    • http://www.gorillawalker.com/governing-social-risks-in-post-crisis-europe.pdf
    • http://www.gorillawalker.com/the-lotus-and-the-cross-jesus-talks-with-buddha-great.pdf
    • http://www.gorillawalker.com/grey-all-tied-up.pdf
    • http://www.gorillawalker.com/the-water-cycle-earth-and-space-science.pdf
    • http://www.gorillawalker.com/a-comparative-study-of-bird-populations-in-illinois-1906-1909.pdf
    • http://www.gorillawalker.com/fiber-in-human-nutrition.pdf
    • http://www.gorillawalker.com/easy-all-natural-cooking-sweet-savory-breads-and-weeknight-dinners.pdf
    • http://www.gorillawalker.com/the-roads-of-home-lanes-and-legends-of-new-jersey.pdf
    • http://www.gorillawalker.com/critical-gestures-writing
    • 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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