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://drafthe.ru/uplcv?utm_term=worksheet+range+excel+c%23 PDF link annotation

  • https://willmarareachamber.com/ckfinder/userfiles/files/30695934083.pdfIn PDF document text
  • http://camionespanamericana.com/userfiles/file/beturelatifavapefawil.pdfIn PDF document text
  • http://jubileejec.com/userfiles/files/34497371700.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/da657f812c41c8da4be6ccc3aa89b47b/zisofujibinapase.pdfIn PDF document text
  • http://cheapneasytrafficschool.com/CheapNEasyTrafficSchool/pa/trainstation/uploads/image/file/98217480341.pdfIn PDF document text
  • http://rungrawin-itt.com/userfiles/files/poxezugovamik.pdfIn PDF document text
  • http://stroisvias.ru/userfiles/file/9544445638.pdfIn PDF document text
  • http://taxicityplus.ru/userfiles/file/getiloxiboboja.pdfIn PDF document text
  • http://orvosvalaszto.hu/uploads/files/29742225217.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/lileroratuvabiribugevo.pdfIn PDF document text
  • http://styliststudios.com/imagesTE/file/fupekadar.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/47567603396.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/20b6af083f0f720d71bed83ab0fe9e4c/27585289490.pdfIn PDF document text
  • http://sjhrz.com/images/upload/File/47714427539.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ee6e17841b4---nuvami.pdfIn PDF document text
  • https://cosplay-expo.it/ckfinder/userfiles/files/jiruvanosatasip.pdfIn PDF document text
  • http://highlandcougars83.com/clients/2/26/268573c5102cd00412bac87cee9346ec/File/vamozurowofowel.pdfIn PDF document text
  • http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adafa632d91---50700858000.pdfIn PDF document text
  • http://djapm.com/userfiles/file/saxizowivemogimirexetovaj.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d81cf221c6---86814633427.pdfIn PDF document text
  • http://ampletrekking.com/userfiles/file/39376327780.pdfIn PDF document text
  • http://panyuchen.com/ckfinder/userfiles/site_eachfun_com/files/97771110683.pdfIn PDF document text
  • http://tuzvedo.hu/elemek/file/refofafiro.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/550efd2042b4e9f09db817f8754ed839/64744872518.pdfIn PDF document text
  • http://architettoannalisatinelli.it/userfiles/files/39742493227.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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