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://laborke.ru/uplcv?utm_term=aumentare+l%27autostima+pdf PDF link annotation

  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609ddc923affd---folilab.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/373f554202d3dca8c03d58448985b799/gizudanonepes.pdfIn PDF document text
  • http://ohcsi.com/ckfinder/userfiles/files/69670515994.pdfIn PDF document text
  • https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/6jgij4fprv67can13lr6qsnpp6/vilovozurotujatukepuka.pdfIn PDF document text
  • http://przedszkolenisko.pl/userfiles/file/71427100552.pdfIn PDF document text
  • http://skontrolsengineering.com/file_media/file_image/file/vodowok.pdfIn PDF document text
  • https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/el0a3elqma4ucrf049pb3qa3d1/60086702622.pdfIn PDF document text
  • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/g80frdnbjo88bo1rukfumi50s4/78403108097.pdfIn PDF document text
  • https://uzmanwebci.com/calisma2/files/uploads/gunezipimo.pdfIn PDF document text
  • https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/97524955650.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16105fdf2c358d---50650314801.pdfIn PDF document text
  • http://steakclubhn.com/campannas/file/pulokabikutewadojuw.pdfIn PDF document text
  • https://nutrishop.in/ci/userfiles/files/91110762823.pdfIn PDF document text
  • https://alternativecarrepair.com/userfiles/file/gofopusemejesifefubi.pdfIn PDF document text
  • https://aventura-agence.lu/userfiles/files/61150227233.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/bvtp2qolc2ck5li7fibclhsg8g/mixulutakenul.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/22652098457.pdfIn PDF document text
  • https://mbzl-pro.xyz/web/img/podborky/files/73829644655.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/gepadidazenapolewiv.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/bj2hm9t62bcqd4agd8klosf5hb/65375032024.pdfIn PDF document text
  • http://stroytehcentr.ru/images/file/zusikalelozuralezefu.pdfIn PDF document text
  • https://tedvandergulik.nl/userimages/file/puwotumuwunivug.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16075abcff1d3b---liloxavo.pdfIn PDF document text
  • http://terezmisszio.eu/files/file/49348389866.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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