Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ed95e5da7d3291a…

MALICIOUS

PDF

43.3 KB Created: 2019-02-13 20:00:25 +03:00 Authoring application: dvips 5.83 (MiKTeX 1.20b) Copyright 1998 Radical Eye Software (via Acrobat Distiller 4.0 for Windows) First seen: 2019-02-20
MD5: b2c4963c00e231fae48da9e2e7ad9664 SHA-1: 67f8a39e3957d26614aa3c5e27669042d846afda SHA-256: 0ed95e5da7d3291a351c4c7616721cd490e4c7cba2c23b054a3a8f095b6f4b59
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. The embedded URLs are likely used to manipulate search engine rankings or to distribute additional malicious content, rather than for direct user interaction.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9016

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/medicare-webster-s-specialty-crossword-puzzles.pdf In PDF document text
    • http://www.gorillawalker.com/bloggers-on-the-bus-how-the-internet-changed-politics-and.pdfIn PDF document text
    • http://www.gorillawalker.com/grandpa-loves-me-marianne-richmond.pdfIn PDF document text
    • http://www.gorillawalker.com/java-crash-course-the-ultimate-beginner-s-course-to-learning.pdfIn PDF document text
    • http://www.gorillawalker.com/an-honest-look-at-life-ecclesiastes.pdfIn PDF document text
    • http://www.gorillawalker.com/mozi-translations-from-the-asian-classics.pdfIn PDF document text
    • http://www.gorillawalker.com/the-ethics-challenge-strengthening-your-integrity-in-a-greedy-world.pdfIn PDF document text
    • http://www.gorillawalker.com/drug-law-reform-in-east-and-southeast-asia.pdfIn PDF document text
    • http://www.gorillawalker.com/the-millionaire-kids-club-penny-power.pdfIn PDF document text
    • http://www.gorillawalker.com/health-and-injury-related-behaviors-in-colorado-rural-resort-counties.pdfIn PDF document text
    • http://www.gorillawalker.com/toddlers-2s-teacher-146-s-convenience-kit-151-summer-2015.pdfIn PDF document text
    • http://www.gorillawalker.com/international-wetlands-ecology-conservation-and-restoration.pdfIn PDF document text
    • http://www.gorillawalker.com/welding-encyclopedia-12ed.pdfIn PDF document text
    • http://www.gorillawalker.com/time-zones-3a-combo-split.pdfIn PDF document text
    • http://www.gorillawalker.com/naoki-urasawa-s-monster-vol-3.pdfIn PDF document text
    • http://www.gorillawalker.com/in-the-inmost-hour-of-the-soul-vox-humana.pdfIn PDF document text
    • http://www.gorillawalker.com/seve-the-official-autobiography.pdfIn PDF document text
    • http://www.gorillawalker.com/victory-in-the-pacific-1945-history-of-united-states-naval.pdfIn PDF document text
    • http://www.gorillawalker.com/dawn-s-big-date-baby-sitters-club.pdfIn PDF document text
    • http://www.gorillawalker.com/the-highlight-of-a-life-short-story.pdfIn PDF document text
    • http://www.gorillawalker.com/cork-pub-guide-and-map.pdfIn PDF document text
    • http://www.gorillawalker.com/the-red-winter-book-five-of-the-tapestry-kindle-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/a-handbook-of-mouse-models-of-cardiovascular-disease.pdfIn PDF document text
    • http://www.gorillawalker.com/voting-in-american-elections.pdfIn PDF document text
    • http://www.gorillawalker.com/mental-status-examination-52-challenging-cases-dsm-and-icd-10.pdfIn PDF document text
    • http://www.gorillawalker.com/arlekinada-pas-de-deux-bassoon-2-part-qty-2-a8907.pdfIn PDF document text
    • http://www.gorillawalker.com/great-transformations-in-vertebrate-evolution.pdfIn PDF document text
    • http://www.gorillawalker.com/allegro-revised-paperback.pdfIn PDF document text
    • http://www.gorillawalker.com/price-for-a-patriot.pdfIn PDF document text
    • http://www.gorillawalker.com/ofdm-concepts-for-future-communication-systems-signals-and-communication-technology.pdfIn PDF document text
    • http://www.gorillawalker.com/swords-spears-maces-illustrated-history-of-weapons.pdfIn PDF document text
    • http://www.gorillawalker.com/four-great-histories-henry-iv-part-i-henry-iv-part.pdfIn PDF document text
    • http://www.gorillawalker.com/hidden-san-francisco-and-northern-california-the-adventurer-s-guide.pdfIn PDF document text
    • http://www.gorillawalker.com/familial-hypercholesterolemia-pocketguide.pdfIn PDF document text
    • http://www.gorillawalker.com/how-to-build-horsepower-volume-2.pdfIn PDF document text
    • http://www.gorillawalker.com/alzheimer-s-reduce-your-risk-revitalise.pdfIn PDF document text
    • http://www.gorillawalker.com/2014-london-wall-calendar.pdfIn PDF document text
    • http://www.gorillawalker.com/first-tango-in-paris.pdfIn PDF document text
    • http://www.gorillawalker.com/billy-s-boatshed-the-project.pdfIn PDF document text
    • http://www.gorillawalker.com/go-to-the-story-of-the-math-majors-bridge-players.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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