Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ffc442f76bac2f5…

MALICIOUS

PDF

33.5 KB Created: 2020-01-17 19:19:58 +03:00 Authoring application: Writer (via OpenOffice.org 3.2)
MD5: 11d782f5b3cc7d1bb83ff37a10f1380c SHA-1: ce0314d6af38a98c0ed0c80ee8e3e92e5c59cd84 SHA-256: 2ffc442f76bac2f5453ac42d5ea3de966ea0ad25a9cc1b7641bc846f69af93eb
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links pointing to external PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body was not readable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8529

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/sacramento-county-including-portions-of-placer-and-el-dorado-counties.pdf
    • http://www.gorillawalker.com/frontier-of-the-mechanisms-of-memory-and-dementia-proceedings-of.pdf
    • http://www.gorillawalker.com/the-pharmaceutical-industry-in-switzerland-kindle-edition.pdf
    • http://www.gorillawalker.com/bundle-stat-2-with-review-cards-and-statistics-coursemate-printed.pdf
    • http://www.gorillawalker.com/classic-sermons-faith-library-publications.pdf
    • http://www.gorillawalker.com/theatre-backstage-from-a-to-z-a-glossary-of-technical.pdf
    • http://www.gorillawalker.com/the-end-of-innocence-a-novel-kindle-edition.pdf
    • http://www.gorillawalker.com/statistics-concepts-and-applications-for-the-sciences.pdf
    • http://www.gorillawalker.com/making-patton-a-classic-war-film-s-epic-journey-to.pdf
    • http://www.gorillawalker.com/shark-endangered-predator-of-the-sea.pdf
    • http://www.gorillawalker.com/duets-for-treble-recorders-music-of-the-renaissance-performing-score.pdf
    • http://www.gorillawalker.com/texas-lucky-texas-tyler-family-saga.pdf
    • http://www.gorillawalker.com/the-autochthonous-north-american-musk-oxen-bootherium-symbus-and-gidley.pdf
    • http://www.gorillawalker.com/travel-leisure-magazine-russia-moscow-now-portugal-cap-jutuca-on.pdf
    • http://www.gorillawalker.com/ascension-the-guardians-of-ascension-book-1.pdf
    • http://www.gorillawalker.com/triple-chance-3-luke-chance-triples.pdf
    • http://www.gorillawalker.com/how-to-make-a-man-fall-in-love-with-you.pdf
    • http://www.gorillawalker.com/the-neighborhoods-of-queens-neighborhoods-of-new-york-city.pdf
    • http://www.gorillawalker.com/mindful-eating.pdf
    • http://www.gorillawalker.com/more-submissive-wife-stories-submissive-women-paperback.pdf
    • http://www.gorillawalker.com/temporary-work-the-gendered-rise-of-a-precarious-employment-relationship.pdf
    • http://www.gorillawalker.com/pattern-drafting-for-fashion-advanced.pdf
    • http://www.gorillawalker.com/pueraria-the-genus-pueraria-medicinal-and-aromatic-plants-industrial-profiles.pdf
    • http://www.gorillawalker.com/learn-to-draw-angry-birds-bad-piggies-featuring-all-your.pdf
    • http://www.gorillawalker.com/body-alchemy-transsexual-portraits.pdf
    • http://www.gorillawalker.com/democratic-phoenix-reinventing-political-activism.pdf
    • http://www.gorillawalker.com/porque-la-vida-es-un-viaje-spanish-edition.pdf
    • http://www.gorillawalker.com/canadian-local-government-an-urban-perspective-by-andrew-sancton-april.pdf
    • http://www.gorillawalker.com/seneca-reader-a-selections-from-prose-and-tragedy-bc-latin.pdf
    • http://www.gorillawalker.com/indian-chief-motorcycles-1922-1953-motorcycle-color-history.pdf
    • http://www.gorillawalker.com/proton-gator-ekidsland-series-kindle-edition.pdf
    • http://www.gorillawalker.com/the-book-of-rowing.pdf
    • http://www.gorillawalker.com/the-social-setting-of-the-ministry-as-reflected-in-the.pdf
    • http://www.gorillawalker.com/the-atlas-of-endangered-places-environmental-atlas.pdf
    • http://www.gorillawalker.com/library-of-piano-classics-2-piano-solo-library-of-series.pdf
    • http://www.gorillawalker.com/chanel-and-her-world.pdf
    • http://www.gorillawalker.com/on-the-self-regulation-of-behavior.pdf
    • http://www.gorillawalker.com/painting-with-acrylics-27-acrylic-painting-projects-illustrated-step-by.pdf
    • http://www.gorillawalker.com/essentials-of-corrections-with-online-study-guide-and-infotrac.pdf
    • http://www.gorillawalker.com/army-of-israel-mormon-battalion-narratives.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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