Malicious PDF — malware analysis report

Static analysis result for SHA-256 e5d48eb8aa3db5bf…

MALICIOUS

PDF

43.9 KB Created: 2018-11-22 08:02:19 +03:00 Authoring application: - (via pdfTeX-1.0b-pdfcrypt)
MD5: 8fbda0ee2815ab65cebc5a72348da358 SHA-1: a4d40889a8adddbc36ed6ab6a71ac7ab34a662d9 SHA-256: e5d48eb8aa3db5bf14b575dd265b0110ec954c1f4052a71544e43a4ad9e67ff9
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

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

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/war-in-the-east-the-russo-german-conflict-1941-45.pdf
    • http://www.gorillawalker.com/the-kingdom-of-ierendi-dungeons-and-dragons-gazetteer-gaz4.pdf
    • http://www.gorillawalker.com/poetry-and-song-in-late-eighteenth-century-germany-a-study.pdf
    • http://www.gorillawalker.com/worst-case-scenario-book-4-the-state.pdf
    • http://www.gorillawalker.com/the-sociopath-at-the-breakfast-table-recognizing-and-dealing-with.pdf
    • http://www.gorillawalker.com/finite-with-mathematics-coursemate-with-ebook-printed-access-card.pdf
    • http://www.gorillawalker.com/india-a-handbook-for-travellers-in-india-burma-and-ceylon.pdf
    • http://www.gorillawalker.com/3-into-the-pacific-world-tchrs-new-routes-in-geography.pdf
    • http://www.gorillawalker.com/moon-spotlight-ensenada-and-northern-baja.pdf
    • http://www.gorillawalker.com/afghanistan-a-new-history.pdf
    • http://www.gorillawalker.com/m3-half-track-in-action-armor-no-34.pdf
    • http://www.gorillawalker.com/the-passionate-state-of-mind-and-other-aphorisms.pdf
    • http://www.gorillawalker.com/consolations-of-the-forest-alone-in-a-cabin-in-the.pdf
    • http://www.gorillawalker.com/petrushka-dover-miniature-music-scores.pdf
    • http://www.gorillawalker.com/medicina-antiqua-vienna-oesterreichische-nationalbibliothek-cod-vind-93-manuscripts-in.pdf
    • http://www.gorillawalker.com/art-in-focus.pdf
    • http://www.gorillawalker.com/pain-psychological-perspectives.pdf
    • http://www.gorillawalker.com/i-need-glasses-tell-me-why-library.pdf
    • http://www.gorillawalker.com/eating-out-in-europe-picnics-gourmet-dining-and-snacks-since.pdf
    • http://www.gorillawalker.com/double-deception.pdf
    • http://www.gorillawalker.com/royal-inscriptions-on-clay-cones-from-ashur-now-in-istanbul.pdf
    • http://www.gorillawalker.com/hans-zimmer-collection-piano-solo-piano-vocal.pdf
    • http://www.gorillawalker.com/living-book-of-the-ocean-our-amazing-world.pdf
    • http://www.gorillawalker.com/true-north-book-3-finding-now-kate-and-sam-volume.pdf
    • http://www.gorillawalker.com/mel-bay-s-trumpet-method.pdf
    • http://www.gorillawalker.com/from-rags-to-riches-a-story-of-abu-dhabi-london.pdf
    • http://www.gorillawalker.com/disney-the-mouse-betrayed-greed-corruption-and-children-at-risk.pdf
    • http://www.gorillawalker.com/fuego-negro-black-fire-spanish-edition.pdf
    • http://www.gorillawalker.com/stumbling-toward-a-genuine-conversation-on-homosexuality-living-issues-discussion.pdf
    • http://www.gorillawalker.com/the-double-diamond-daily-devotional-kindle-edition.pdf
    • http://www.gorillawalker.com/chevrolet-corvette-1963-82-chilton-total-car-care-series-manuals.pdf
    • http://www.gorillawalker.com/the-picture-of-dorian-gray-original-and-unabridged-translate-house.pdf
    • http://www.gorillawalker.com/bye-bye-blackbird-an-anglo-indian-memoir.pdf
    • http://www.gorillawalker.com/my-first-book-of-marches-25-favorite-pieces-in-easy.pdf
    • http://www.gorillawalker.com/hodder-cambridge-primary-english-student-book-stage-3-stage-3.pdf
    • http://www.gorillawalker.com/emotional-rape-abuse-love-masqueraded-surviving-understanding-leaving-and-healing.pdf
    • http://www.gorillawalker.com/holidays-then-and-now-orange-band-06-collins-big-cat.pdf
    • http://www.gorillawalker.com/gyo-fujikawa-s-little-library-my-mini-book-collection.pdf
    • http://www.gorillawalker.com/japan-encountered-a-brief-and-highly-selective-survey-of-famous.pdf
    • http://www.gorillawalker.com/boiled-over-a-maine-clambake-mystery-book-2-kindle-edition.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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