Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b54fe1289120dfd…

MALICIOUS

PDF

32.1 KB Created: 2019-09-17 17:29:31 +03:00 Authoring application: Acrobat PDFMaker 7.0 for Publisher (via Acrobat Distiller 7.0 (Windows)) First seen: 2021-06-28
MD5: 3e64d299ff5deef7c415e62ebbeef08e SHA-1: 32e92bec266313152eb1bf92a576d76a4b7dda53 SHA-256: 9b54fe1289120dfdb047838b426d2555af5b1353cdc011302da85f97705d8820
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or direct users to potentially malicious websites. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the file.

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.
  • Urgency / deadline lure low SE_URGENCY_LURE
    Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
  • 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/an-introduction-to-quantum-optics-photon-and-biphoton-physics-series.pdf In PDF document text
    • http://www.gorillawalker.com/kat-fight.pdfIn PDF document text
    • http://www.gorillawalker.com/the-building-regulations-2000-approved-document-j-combustion-appliances-and.pdfIn PDF document text
    • http://www.gorillawalker.com/if-the-shoe-fits-nonstandard-units-of-measurement-mouse-math.pdfIn PDF document text
    • http://www.gorillawalker.com/the-true-detective.pdfIn PDF document text
    • http://www.gorillawalker.com/american-artisanal-finding-the-country-s-best-real-food-from.pdfIn PDF document text
    • http://www.gorillawalker.com/engendering-judaism-an-inclusive-theology-and-ethics.pdfIn PDF document text
    • http://www.gorillawalker.com/introducing-chopin-ic-introducing-composers.pdfIn PDF document text
    • http://www.gorillawalker.com/the-only-one-club.pdfIn PDF document text
    • http://www.gorillawalker.com/cocktails-how-to-mix-them.pdfIn PDF document text
    • http://www.gorillawalker.com/are-you-my-mother-a-comic-drama.pdfIn PDF document text
    • http://www.gorillawalker.com/sylvius-for-neuroscience-a-visual-glossary-of-human-neuroanatomy.pdfIn PDF document text
    • http://www.gorillawalker.com/bound-by-desire-wonderland-king-of-diamonds.pdfIn PDF document text
    • http://www.gorillawalker.com/the-decaying-empire-the-vanishing-girl.pdfIn PDF document text
    • http://www.gorillawalker.com/sermons-on-the-first-readings.pdfIn PDF document text
    • http://www.gorillawalker.com/films-of-gregory-peck.pdfIn PDF document text
    • http://www.gorillawalker.com/seismic-design-of-building-structures-paperback-chinese-edition.pdfIn PDF document text
    • http://www.gorillawalker.com/como-estudiar-tecnicas-y-recursos-para-estudiantes-how-to-study.pdfIn PDF document text
    • http://www.gorillawalker.com/final-warning-the-legacy-of-chernobyl.pdfIn PDF document text
    • http://www.gorillawalker.com/contemporary-strategy-analysis-text-only.pdfIn PDF document text
    • http://www.gorillawalker.com/living-next-door-to-alise.pdfIn PDF document text
    • http://www.gorillawalker.com/work-song.pdfIn PDF document text
    • http://www.gorillawalker.com/cassandra-s-life.pdfIn PDF document text
    • http://www.gorillawalker.com/cycle-infrastructure.pdfIn PDF document text
    • http://www.gorillawalker.com/usborne-time-traveler-hardcover.pdfIn PDF document text
    • http://www.gorillawalker.com/american-prisoners-of-war-held-at-halifax-during-the-war.pdfIn PDF document text
    • http://www.gorillawalker.com/cr-submanifolds-of-kaehlerian-and-sasakian-manifolds-progress-in-mathematics.pdfIn PDF document text
    • http://www.gorillawalker.com/mcgraw-hill-s-chinese-illustrated-dictionary-1-500-essential-words.pdfIn PDF document text
    • http://www.gorillawalker.com/the-life-and-times-of-abraham-lincoln-sixteenth-president-of.pdfIn PDF document text
    • http://www.gorillawalker.com/descriptions-of-the-new-genera-and-species-of-the-class.pdfIn PDF document text
    • http://www.gorillawalker.com/make-paper-inventions-machines-that-move-drawings-that-light-up.pdfIn PDF document text
    • http://www.gorillawalker.com/toyokuni-utagawa-edo-erotic-art-collection-by-yoshikazu-hayashi-vol.pdfIn PDF document text
    • http://www.gorillawalker.com/the-discipline-of-surrender-biblical-images-of-discipleship.pdfIn PDF document text
    • http://www.gorillawalker.com/the-complete-book-of-food-counts-9th-nineth-edition-the.pdfIn PDF document text
    • http://www.gorillawalker.com/emily-dickinson-handbook.pdfIn PDF document text
    • http://www.gorillawalker.com/the-warning-a-novel-of-america-in-the-last-days.pdfIn PDF document text
    • http://www.gorillawalker.com/come-to-castlemoor.pdfIn PDF document text
    • http://www.gorillawalker.com/teaching-career-development-a-primer-for-instructors-and-presenters.pdfIn PDF document text
    • http://www.gorillawalker.com/prayer-believe-to-receive-neville-explains-the-bible.pdfIn PDF document text
    • http://www.gorillawalker.com/intoxication-the-universal-drive-for-mind-altering-substances.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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