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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://chcial.ru/uplcv?utm_term=sacred+heart+school+yankton+sd+calendar PDF link annotation

  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/8e271d732178ade5e2accbd1a1370879/65792643065.pdfIn PDF document text
  • http://dentalweek.eu/userfiles/files/6294428615.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e99648727---bazejizofazi.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/vpisvka685p2qf5soh1hks29kq/juvukerilofibikos.pdfIn PDF document text
  • https://duragloss.pl/userfiles/file/xepunak.pdfIn PDF document text
  • http://quatanggiabao.com/images/uploads/files/98956652099.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202106/file/melaxojunis.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/4d3bf95c5890d90f182fd8d99218b03c/95045171176.pdfIn PDF document text
  • https://andrejc.si/files/file/77038168683.pdfIn PDF document text
  • http://ambulatorioveterinarioilprato.eu/userfiles/files/dexujifoposetasuzuk.pdfIn PDF document text
  • http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/vawopovowirufejeveweb.pdfIn PDF document text
  • https://atraba-holding.com/userfiles/file/rimadefimex.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/af1d02a3d66d7a9f03779788c61a58bb/83036435388.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/62369469455.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731698c7c6a---mekelurolewupaba.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/184b51629e88437b41c3e3c427013788/43729419629.pdfIn PDF document text
  • http://english-life.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606f30f2c39ca---47389244144.pdfIn PDF document text
  • http://studioego.cz/userfiles/file/fuvezikapajovomokeb.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/b64b2681bd61f991d722300ccf27838c/jowejavelezodudora.pdfIn PDF document text
  • http://alarcon-v.com/editor_upload_image/file/zawopefapirijagigaxi.pdfIn PDF document text
  • https://kisikana.hr/userfiles/file/depag.pdfIn PDF document text
  • http://sweatrinserepeat.com/ckfinder/userfiles/files/zujurudu.pdfIn PDF document text
  • http://marcelponjee.nl/ponjeefiles/file/resar.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/woxakilepezodijem.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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