Malicious PDF — malware analysis report

Static analysis result for SHA-256 8465be7db117e481…

MALICIOUS

PDF

34.5 KB Created: 2020-01-03 22:34:45 +03:00 Authoring application: Apache FOP Version 1.0
MD5: d6bada0ca58a22b9904332fc1988581a SHA-1: 8f0e4f5c0dcb0f30a5adbc2341c8ef5367a7eccb SHA-256: 8465be7db117e4819d04a19aaf326e17a3f31ff1108146105dcf420a5653d4cf
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to various PDF files on gorillawalker.com. This suggests the document's primary purpose is to act as a link farm, potentially for SEO manipulation or to distribute additional malicious content. The ML classifier also flagged this PDF as malicious, supporting the suspicious nature of the embedded links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8018

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/photoshop-elements-10-all-in-one-for-dummies.pdf
    • http://www.gorillawalker.com/candle-meme-wars.pdf
    • http://www.gorillawalker.com/intercultural-business-communication-2nd-edition.pdf
    • http://www.gorillawalker.com/flea-and-spikey.pdf
    • http://www.gorillawalker.com/the-lamp-the-lamp-series-book-1.pdf
    • http://www.gorillawalker.com/killer-web-content-make-the-sale-deliver-the-service-build.pdf
    • http://www.gorillawalker.com/picture-it-in-cross-stitch-a-david-charles-craft-book.pdf
    • http://www.gorillawalker.com/roberto-me-baseball-card-adventures.pdf
    • http://www.gorillawalker.com/yellow-ghost-la-femme-selita-prequel.pdf
    • http://www.gorillawalker.com/san-antonio-the-soul-of-texas.pdf
    • http://www.gorillawalker.com/juicing-recipes-50-refreshing-juicing-recipes-for-weight-loss-detox.pdf
    • http://www.gorillawalker.com/shaking-the-heavens-how-you-can-pray-god-s-will.pdf
    • http://www.gorillawalker.com/n-j-agent-termination-suit-blocked-brief-article-an-article.pdf
    • http://www.gorillawalker.com/acoustic-piano-ballads-note-for-note-keyboard-transcriptions.pdf
    • http://www.gorillawalker.com/immigration-law-handbook-2008-edition.pdf
    • http://www.gorillawalker.com/america-toons-in-a-history-of-television-animation.pdf
    • http://www.gorillawalker.com/60-worksheets-finding-larger-number-of-5-digits-math-practice.pdf
    • http://www.gorillawalker.com/the-blackwell-guide-to-the-philosophy-of-language.pdf
    • http://www.gorillawalker.com/grass-harp-1st-edition.pdf
    • http://www.gorillawalker.com/das-schloss-bellevue-german-edition-kindle-edition.pdf
    • http://www.gorillawalker.com/tina-tumbles.pdf
    • http://www.gorillawalker.com/notes-from-a-friend-a-quick-and-simple-guide-to.pdf
    • http://www.gorillawalker.com/anekdoter-till-svenska-historien-under-gustaf-iii-s-regering-swedish.pdf
    • http://www.gorillawalker.com/alfred-s-basic-piano-library-prep-course-levels-a-b.pdf
    • http://www.gorillawalker.com/the-somalia-travel-journal.pdf
    • http://www.gorillawalker.com/burning-and-building-schooling-and-state-formation-in-japan-1750.pdf
    • http://www.gorillawalker.com/resources-and-advantages-of-missouri.pdf
    • http://www.gorillawalker.com/serse-hwv-40-full-score-a7879.pdf
    • http://www.gorillawalker.com/primary-composition-book-kids-school-exercise-book-with-pandas-butterflies.pdf
    • http://www.gorillawalker.com/a-contemporary-nursing-process-the-un-bearable-weight-of-knowing.pdf
    • http://www.gorillawalker.com/before-nightfall-kindle-edition.pdf
    • http://www.gorillawalker.com/guide-to-tracing-your-kildare-ancestors.pdf
    • http://www.gorillawalker.com/el-asesor-nutricional-es-ncuentra-los-tama-os-perfectos-de.pdf
    • http://www.gorillawalker.com/pay-dirt-revised-and-updated-2nd-edition-how-to-raise.pdf
    • http://www.gorillawalker.com/currier-ives-america-imagined.pdf
    • http://www.gorillawalker.com/the-giving-way-to-happiness-stories-and-science-behind-the.pdf
    • http://www.gorillawalker.com/medikidz-explain-living-with-adhd.pdf
    • http://www.gorillawalker.com/the-low-carb-bartender.pdf
    • http://www.gorillawalker.com/the-anatomy-of-exercise-and-movement-for-the-study-of.pdf
    • http://www.gorillawalker.com/rock-n-roll-photography-is-the-new-trainspotting-a-retrospective.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/

Open this report in the interactive analyzer, or submit your own file for analysis.