Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://medvor.ru/uplcv?utm_term=nobody+knows+what+it%27s+like PDF link annotation

  • https://karolinanowak.com/userfiles/file/xobezegovinobawuxi.pdfIn PDF document text
  • https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/79579915366.pdfIn PDF document text
  • http://emiem.pl/public/upload/ckfinder/userfiles/files/20303667879.pdfIn PDF document text
  • http://retrolondontees.com/userfiles/file/36231184530.pdfIn PDF document text
  • http://w3-japan.com/js/upload/files/54072766645.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341977a455e---94704340855.pdfIn PDF document text
  • https://forexinc.ca/upload/editor/file/24959577715.pdfIn PDF document text
  • http://mateuszkucharski.pl/admin/file/gebalafedoxesavinova.pdfIn PDF document text
  • http://gachtrangtritranvinhtin.com/gachtrangtritranvinhtin/Images_upload/files/30854648380.pdfIn PDF document text
  • http://hatowo.com/app/webroot/uploads/files/jojak.pdfIn PDF document text
  • http://studiotravenzolo.it/userfiles/files/lakupisoz.pdfIn PDF document text
  • http://spellenindex.nl/images/uploads/kegarox.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/16130f6bf466ca---jefadisor.pdfIn PDF document text
  • http://giovanniseneca.eu/userfiles/files/73385469180.pdfIn PDF document text
  • https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/0a2e57f7ad77768b545682ee26babc05/84224159549.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16130834625eb0---24738771926.pdfIn PDF document text
  • http://aprt1day.ru/file/joturijivodibotimogaxa.pdfIn PDF document text
  • http://www.prakashirrigation.com/uploads/fck/files/78961566727.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/e24dd920a1c25e6f6cc0c546b0643a72/65404149841.pdfIn PDF document text
  • https://eco-translation.ca/upload/editor/file/ditajod.pdfIn PDF document text
  • http://opusbiz.kr/data/editor/file/200779311761332b7e067f0.pdfIn PDF document text
  • http://pk.mo/userfiles/file/75328921007.pdfIn PDF document text
  • https://hopadive.cz/ckfinder/userfiles/files/88131438485.pdfIn PDF document text
  • http://metallpress.ru/files/susogumaj.pdfIn PDF document text
  • https://rt-totaalafbouw.nl/userfiles/file/78841336744.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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