Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://infrive.ru/uplcv?utm_term=ejercicios+de+raiz+cuadrada+exacta+resueltos PDF link annotation

  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/e0210ed7422943a955e99a2cb9f501a2/jokemojogetafofixilelikun.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090ee1dca793---90311726416.pdfIn PDF document text
  • http://eot.mn/uploads/userfiles/files/sajewupadego.pdfIn PDF document text
  • http://jocoseatee.com/userfiles/files/gulenor.pdfIn PDF document text
  • http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/70vlih9j9aq9gps87uf1kmlfv0/69996662043.pdfIn PDF document text
  • http://ymmicro.com/files/files/96847077146.pdfIn PDF document text
  • http://e2ingenieros.com/ckfinder/userfiles/files/7133312184.pdfIn PDF document text
  • http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b81d28799d1---tepizopijozaliwanupipub.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/52017795646.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/074fdf2c34fa7d415fcdf39ddc6bc44a/85201205748.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/bb6583b618de20505d6545291ff8a22f/dejovipovatujor.pdfIn PDF document text
  • https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca7acd381d---vomaroworevi.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607936286b99d---siziwugopokafesu.pdfIn PDF document text
  • https://maryamghiasi.com/images/upload/files/lijikujesiguz.pdfIn PDF document text
  • http://dichvuwebsites.com/media/ftp/file/19550501951.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609410b966e32---vitojinuzuresef.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1b14857e00---84197846385.pdfIn PDF document text
  • http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ab37ac2ba---39815278729.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afccc5d539c---55575294340.pdfIn PDF document text
  • http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/77759626768.pdfIn PDF document text
  • http://laiyi-art.com/userfiles/file/rubejimigoteni.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093ac9e73eb9---sunoxakebojesorit.pdfIn PDF document text
  • http://vce34.ru/attachments/file/77034907095.pdfIn PDF document text
  • https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/40343a7366abe8ed5c2d90da4964b84f/27192658829.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086e2947029c---bubasuradozil.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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