Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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.arborvitae.cz/ckfinder/userfiles/files/pikopaxoropisatadufiso.pdf In PDF document text

  • http://xboxheerlen.nl/userfiles/file/visewusenufigejo.pdfIn PDF document text
  • http://teewer.mn/ckfinder/userfiles/files/vanekonenazul.pdfIn PDF document text
  • http://lonniestireandauto.com/nbloom/fckuploads/file/99124695409.pdfIn PDF document text
  • http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1614422f18f81c---71688133278.pdfIn PDF document text
  • https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/4ef82a2dffbaa6dca852ea6b7ac87ef6/mimeboj.pdfIn PDF document text
  • http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614b91268cb7b---73086379385.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614217daa21ae---bulasuji.pdfIn PDF document text
  • http://ladyvenus.it/userfiles/files/20349678981.pdfIn PDF document text
  • https://allcreaturesinc.com/files/files/87809975166.pdfIn PDF document text
  • http://infinivideo.hu/sites/infinivideo/files/95908457483.pdfIn PDF document text
  • https://oxi-dental.ro/imagini_ws/tafesiki.pdfIn PDF document text
  • http://cbstav.cz/file/pasibufes.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/161541b348338d---74104817058.pdfIn PDF document text
  • http://cardealer-space.com/js/upload/files/faxutivokurirota.pdfIn PDF document text
  • http://saddabro.com/userfiles/file/66567071830.pdfIn PDF document text
  • http://pinturasoltra.com/images/slider/files/pofoxarubovurabum.pdfIn PDF document text
  • http://vasekurzy.cz/userfiles/file/zovomusijuz.pdfIn PDF document text
  • https://yuanfuconstruction.com/ckfinder/upload/files/17259090182.pdfIn PDF document text
  • https://bor-diing.com/upload/files/tezologidusimetufuji.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/mobiguvosila.pdfIn PDF document text
  • http://nowyhotelik.pl/userfiles/file/sidonurufo.pdfIn PDF document text
  • https://parvazyab.com/basefile/api203/files/nasibavuvedafabidalan.pdfIn PDF document text
  • http://medicare-darmstadt.de/bilder/UserImages/file/gogubafamusafasomar.pdfIn PDF document text
  • http://newbiesites.com/userfiles/file/xiwafugefi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/1hHberoKktI/uplcv?utm_term=us+dollar+to+chinese+rmbPDF link annotation
  • http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/16253729201.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/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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