Malicious PDF — malware analysis report

Static analysis result for SHA-256 036b8435f40cdd49…

MALICIOUS

PDF

32.4 KB Created: 2019-05-24 00:56:51 +03:00 Authoring application: Adobe Photoshop 5.0 (via Adobe Photoshop for Windows)
MD5: 536045960ab819199c14e95f462cf7c7 SHA-1: 651b9d8180d878d69437c17998388db839339361 SHA-256: 036b8435f40cdd49129ded776c110c644f218b5894abd865adf88efe45c91276
152 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. This suggests the document's primary purpose is to act as a link farm, potentially for SEO manipulation or to distribute further malicious content. While no scripts were explicitly extracted, the nature of PDF link farms often involves JavaScript for obfuscation or redirection, hence the inclusion of T1059.007. The presence of numerous external links also aligns with a potential spearphishing attachment (T1566.001) used to direct victims to malicious resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8529

Heuristics 3

  • 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.
  • ClamAV: Pdf.Dropper.Agent-7168869-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7168869-0
  • 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/jesus-and-the-hope-of-his-coming-lahaye-tim-f.pdf
    • http://www.gorillawalker.com/anna-devereux-s-femdom-boss-the-complete-series-1-3.pdf
    • http://www.gorillawalker.com/le-dossier-du-canal-de-panama-pass-pr-sent-avenir.pdf
    • http://www.gorillawalker.com/africian-religion-vol-4-asarian-theology-the-mystery-of-resurrection.pdf
    • http://www.gorillawalker.com/arch-oboler-plays-the-family-nagachi-and-this-living-book.pdf
    • http://www.gorillawalker.com/the-love-poems-of-ahmad-shamlu.pdf
    • http://www.gorillawalker.com/the-smoked-and-cured-seafood-guide.pdf
    • http://www.gorillawalker.com/original-goodness-eknath-easwaran-on-the-beatitudes-classics-of-christian.pdf
    • http://www.gorillawalker.com/the-vampire-next-door-the-true-story-of-the-vampire.pdf
    • http://www.gorillawalker.com/jelly-roll-bix-and-hoagy-revised-and-expanded-edition-gennett.pdf
    • http://www.gorillawalker.com/basic-grammar-in-use-reference-and-practice-for-students-of.pdf
    • http://www.gorillawalker.com/die-lehre-gregors-von-nyssa-vom-guten-und-bosen-und.pdf
    • http://www.gorillawalker.com/maestro-secreto-y-sus-misterios-secret-master-and-his-mysteries.pdf
    • http://www.gorillawalker.com/museums-in-a-global-context-national-identity-international-understanding.pdf
    • http://www.gorillawalker.com/amitabha-sutra-the-smaller-sukhavati-vyuha-the-diamond-sutra-kindle.pdf
    • http://www.gorillawalker.com/patty-reed-s-doll-the-story-of-the-donner-party.pdf
    • http://www.gorillawalker.com/seven-chorale-preludes-set-1-organ.pdf
    • http://www.gorillawalker.com/global-entertainment-media-between-cultural-imperialism-and-cultural-globalization.pdf
    • http://www.gorillawalker.com/les-deux-billets-french-edition.pdf
    • http://www.gorillawalker.com/professional-conduct-2009-2010-2009-edition-bar-manuals.pdf
    • http://www.gorillawalker.com/currency-trading-for-dummies-kindle-edition.pdf
    • http://www.gorillawalker.com/circus-fantasy-under-the-big-top.pdf
    • http://www.gorillawalker.com/panorama-of-christian-hymnody-g6475.pdf
    • http://www.gorillawalker.com/hitmaker-the-man-and-his-music-by-tommy-mottola-jan.pdf
    • http://www.gorillawalker.com/passings-death-dying-and-unexplained-phenomena.pdf
    • http://www.gorillawalker.com/nols-cookery-book.pdf
    • http://www.gorillawalker.com/a-pronouncing-gazetteer-and-geographical-dictionary-of-the-philippine-islands.pdf
    • http://www.gorillawalker.com/the-philosopher-and-the-poet-an-erotic-bdsm-adventure-based.pdf
    • http://www.gorillawalker.com/to-mate-an-assassin-the-lost-alphars-series.pdf
    • http://www.gorillawalker.com/chivos-chivones-annoy-goats-coleccion-libros-para-sonar-spanish-edition.pdf
    • http://www.gorillawalker.com/the-rumi-collection-shambhala-library.pdf
    • http://www.gorillawalker.com/degas-the-invisible-eye.pdf
    • http://www.gorillawalker.com/the-national-chess-syllabus-tm-featuring-the-bandana-martial-art.pdf
    • http://www.gorillawalker.com/the-adventures-of-huckleberry-finn-the-graphic-novel-campfire-graphic.pdf
    • http://www.gorillawalker.com/critical-care-handbook-of-the-massachusetts-general-hospital-for-pda.pdf
    • http://www.gorillawalker.com/notes-on-the-tribes-provinces-emirates-and-states-of-the.pdf
    • http://www.gorillawalker.com/heroines-of-comic-books-and-literature-portrayals-in-popular-culture.pdf
    • http://www.gorillawalker.com/are-mormons-christians.pdf
    • http://www.gorillawalker.com/scoring-wilder-kindle-edition.pdf
    • http://www.gorillawalker.com/nurse-aide-inservice-understanding-hepatitis-a-b-from-in-the.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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