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://krisoc.ru/uplcv?utm_term=go+online+phschool+spanish+answers+capitulo+2a PDF link annotation

  • http://westtech1963.com/clients/d/d4/d4250bc21dcbbf02d7f9bc68df143add/File/8516929109.pdfIn PDF document text
  • http://aiskreunion.com/clients/b/b4/b417c2091670ce0b0d78f4b231aea02c/File/54315202187.pdfIn PDF document text
  • http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160823a9771a52---71983219631.pdfIn PDF document text
  • https://tiklatakip.com/calisma2/files/uploads/85709262634.pdfIn PDF document text
  • http://geometrabottero.it/userfiles/files/55772626124.pdfIn PDF document text
  • http://cbestdesign.com/ckfinder/images_store/files/jabazimufoxudidutotelula.pdfIn PDF document text
  • https://sportsslife.net/upload/ckfinder/files/kixiviwo.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaaf1c2683e---50386313531.pdfIn PDF document text
  • https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/ebccde6d1c75908a94aa86869eb15854/36667286.pdfIn PDF document text
  • http://logiccpacma.com/ckfinder/userfiles/files/xaralumasig.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/dowafifog.pdfIn PDF document text
  • https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c55f24640---kovuxatalipexevol.pdfIn PDF document text
  • https://kenadong.com/contents//files/sezogujeta.pdfIn PDF document text
  • https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/d76d9febd4049269bc39f253970b4983/74304882938.pdfIn PDF document text
  • http://vankouwenenmastop.nl/UserFiles/file/lakasajuzegigotogevupez.pdfIn PDF document text
  • https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1609983aa0046c---46029998405.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/984fa23d4596d0c56bdcc78aa0c1de93/71108428233.pdfIn PDF document text
  • https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/939cf7d0e5d3dc366f31ddddac16fd6f/fapelovove.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160fddea5e7e1b---wuvibonozefodifasutefemo.pdfIn PDF document text
  • http://www.urbanwaterways.info/files/vofumubotobuweg.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/41efdd06b73df5657fcce396438df076/80464678559.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/cb6fb7129c87125c46373d2834dddb95/dewukupebiz.pdfIn PDF document text
  • http://weddingceremoniesbybev.com/clients/72651/File/84861956632.pdfIn PDF document text
  • http://battlegrouponline.com/app/webroot/js/ckfinder/userfiles/files/gekigojosagubefikobupok.pdfIn PDF document text
  • http://kurskodkb.ru/page_edit/_samples/userfiles/files/mokuxujadelezo.pdfIn PDF document text
  • http://s292376414.onlinehome.fr/datas/imgmail/file/60752780339.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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