Malicious PDF — malware analysis report

Static analysis result for SHA-256 af3d0c743db188ed…

MALICIOUS

PDF

17.7 KB Created: 2019-05-01 17:51:05 +01:00 Authoring application: mPDF 5.7 First seen: 2020-12-28
MD5: 7cccfb88b80c9b37e8a0c5bf4ebe4af7 SHA-1: 3e0f2a4e5ab4b88fec419c97c3f5b3a7b6b8b963 SHA-256: af3d0c743db188ed92b8cacc43df5b50985da0064f01ab49e0b42eb8e2e4ebdb
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to distribute further malicious content. ClamAV detected this file as Pdf.Dropper.Agent-9734141-0, and an ML classifier also flagged it as malicious. The embedded links likely serve as a lure or a distribution mechanism for other malicious files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

Heuristics 3

  • ClamAV: Pdf.Dropper.Agent-9734141-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-9734141-0
  • 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://xiixmcuin.linkpc.net/9202209203204203/Boom-Boom-Boom-by-Jamie-Swenson.pdf In PDF document text
    • http://xiixmcuin.linkpc.net/9202209205206205/Boom-Listen-To-Your-Heart-by-Roxanne-Rogerson.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/1201200201209206201/Latino-Boom-II---Catch-the-Biggest-Demographic-Wave-Since-the-Baby-Boom-by-Chiqui-Cartagena.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/9202209204209206/Boom-Bust-Boom-A-Story-About-Copper-the-Metal-that-Runs-the-World-by-Bill-Carter.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/2206206203208206/Green-Heart-Green-Angel-1-2-by-Alice-Hoffman.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/9202207206202/Tap-Tap-Boom-Boom-by-Elizabeth-Bluemle.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/1200204209200209/This-Green-Hell-Alex-Hunter-3-by-Greig-Beck.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/4200202207208202/Murder-At-The-Green-Lantern-Corey-Shaw-Mystery-2-by-Alex-Morgan.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/3201200202202208/Green-Smoothie-Everyday-Green-Smoothie-For-Beginners-10-Day-Green-Smoothie-Cleanse-green-smoothies-green-smoothies-detox-green-smoothies-recipes-green-Diet-healthy-food-for-everyday-Book-9-by-Anna-Scott.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/1202206207209204/When-the-Heart-Falls-by-Alex-Lux.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/4204208206208201/His-Heart-s-Obsession-by-Alex-Beecroft.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/1207208205209204/Another-Piece-of-My-Heart-by-Jane-Green.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/9209200202208/Illumined-Heart-by-Frederica-Mathewes-Green.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/2207208203207206/The-Manse-Heart-Of-Green-Valley-1-by-Meredith-Resce.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/8200200201203207/Geschichten-aus-dem-Purzelbuch---The-Green-Within-Your-Heart-by-Reinhart-Hei-ler.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/5202207208200204/In-the-Green-Kitchen-Techniques-to-Learn-by-Heart-by-Alice-Waters.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/7208205201209204/The-Heart-Rate-of-a-Mouse-The-Heart-Rate-of-a-Mouse-1-9-by-Anna-Green.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/3207209206203207/The-Dark-Heart-of-the-Nightside-Nightside-5-6-by-Simon-R-Green.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/2207202202205202/Growing-Up-with-Alex-Series-Moving-Day-for-Alex-by-Cynthia-MacGregor.pdfIn PDF document text
    • http://xiixmcuin.linkpc.net/3202204208201209/Alex-in-Rome-Alex-Archer-3-by-Tessa-Duder.pdfIn PDF document text