Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7e0ceafa3770953…

MALICIOUS

PDF

40.7 KB Created: 2019-03-17 06:09:46 +03:00 Authoring application: Writer (via OpenOffice.org 1.1.2) First seen: 2020-12-25
MD5: 0ba164629f41b658960bd83196863206 SHA-1: 446e21333de86f0046a4b51b5fb9c435f13aac7e SHA-256: f7e0ceafa37709537557df019fa3e6ba6e008a87f0c3ea37fd87662631c377d8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The critical PDF_SEO_LINK_FARM heuristic indicates the presence of a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The ML classifier also flagged the PDF as malicious. While no scripts were explicitly extracted, the embedded URLs are the primary indicators of compromise, pointing to a large collection of documents on the 'gorillawalker.com' domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9027

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/bestaaende-forfatningslove-valglove-og-forretningsordener-i-forskjellige-lande-volume-4.pdf In PDF document text
    • http://www.gorillawalker.com/exploring-hiking-and-photographing-grand-canyon-national-park.pdfIn PDF document text
    • http://www.gorillawalker.com/time-limited-psychotherapy-commonwealth-fund-publications.pdfIn PDF document text
    • http://www.gorillawalker.com/international-agency-for-research-on-cancer.pdfIn PDF document text
    • http://www.gorillawalker.com/the-star-trek-the-next-generation-the-amazing-stories-anthology.pdfIn PDF document text
    • http://www.gorillawalker.com/hyacinth-girls-a-novel.pdfIn PDF document text
    • http://www.gorillawalker.com/last-of-the-packhorse-stockmen-vol-3-1-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/journal-of-the-marches-made-by-the-forces-under-colonel.pdfIn PDF document text
    • http://www.gorillawalker.com/hardcore-paranormal-erotica-10-xxx-tales-of-hot-paranormal-lust.pdfIn PDF document text
    • http://www.gorillawalker.com/antarctica-exploring-a-fragile-eden.pdfIn PDF document text
    • http://www.gorillawalker.com/pavlovas-to-popcorn.pdfIn PDF document text
    • http://www.gorillawalker.com/the-history-of-freedom-and-other-essays.pdfIn PDF document text
    • http://www.gorillawalker.com/xin-shi-chuang-zuo-mei-xue-xian-dai-xie-zuo.pdfIn PDF document text
    • http://www.gorillawalker.com/java-for-rpg-programmers-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/sobre-la-violencia-spanish-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/little-kingdoms-the-counties-of-kentucky-1850-1891.pdfIn PDF document text
    • http://www.gorillawalker.com/delabole-the-history-of-the-slate-quarry-and-the-making.pdfIn PDF document text
    • http://www.gorillawalker.com/elias-pocket-dictionary-english-arabic-arabic-english.pdfIn PDF document text
    • http://www.gorillawalker.com/on-my-way.pdfIn PDF document text
    • http://www.gorillawalker.com/cree-history-and-culture-native-american-library.pdfIn PDF document text
    • http://www.gorillawalker.com/the-zohar-annotations-to-the-ashlag-commentary-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/gags-para-el-escenario-3-spanish-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/nigeria-travel-journal-pop-170-123-740-me.pdfIn PDF document text
    • http://www.gorillawalker.com/fortune-s-bones-the-manumission-requiem-coretta-scott-king-author.pdfIn PDF document text
    • http://www.gorillawalker.com/glencoe-science-texas-grade-6-the-solar-system-and-beyond.pdfIn PDF document text
    • http://www.gorillawalker.com/great-food-all-day-long-cook-splendidly-eat-smart-hardback.pdfIn PDF document text
    • http://www.gorillawalker.com/guestlife-monterey-bay-california-travel.pdfIn PDF document text
    • http://www.gorillawalker.com/oliver-quick-and-the-quest-for-a-christian-metaphysic.pdfIn PDF document text
    • http://www.gorillawalker.com/can-science-explain-religion-the-cognitive-science-debate.pdfIn PDF document text
    • http://www.gorillawalker.com/om-book-only.pdfIn PDF document text
    • http://www.gorillawalker.com/attacking-down-the-flank-the-soccer-method-book-2-kindle.pdfIn PDF document text
    • http://www.gorillawalker.com/preparing-for-adolescence-growth-guide.pdfIn PDF document text
    • http://www.gorillawalker.com/it-s-a-match.pdfIn PDF document text
    • http://www.gorillawalker.com/the-life-of-tom-morris-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/a-voyage-through-the-new-testament.pdfIn PDF document text
    • http://www.gorillawalker.com/nana-s-little-stories.pdfIn PDF document text
    • http://www.gorillawalker.com/inflammation-and-the-microcirculation-colloquium-series-in-integrated-systems-physiology.pdfIn PDF document text
    • http://www.gorillawalker.com/my-travel-book.pdfIn PDF document text
    • http://www.gorillawalker.com/iec-60068-3-8-ed-1-0-b-2003-environmental.pdfIn PDF document text
    • http://www.gorillawalker.com/alaska-the-great-country.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

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