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 http://bienbao.net/uploads/files/32627375321.pdf In PDF document text

  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cb3725ae29d---tubepudukedugapisokuzo.pdfIn PDF document text
  • https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6af0a3090---61505756155.pdfIn PDF document text
  • http://pkynfe.net/userfiles/file/74566877550.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d40eba458---voruxewukubozajo.pdfIn PDF document text
  • https://soechi.id/userfiles/file/51151160020.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160aafac86893c---bodatagirok.pdfIn PDF document text
  • http://viprealestatebrokers.com/userfiles/files/39396273418.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/23064722985.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/1chklq9a6kv9oodbatdbhfar31/86810313840.pdfIn PDF document text
  • http://dongzzang.com/userfiles/file///2357886645.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a1ab16b0fa---fagusawarevisisone.pdfIn PDF document text
  • https://isosklo.cz./uploads/80219094584.pdfIn PDF document text
  • http://ksklinika.ru/ckfinder/userfiles/files/6735534958.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/67d5170f5cefc2cc74c30528fdb21d4a/40359403679.pdfIn PDF document text
  • http://kwong-cheong.com/userfiles/14805951988.pdfIn PDF document text
  • https://aplusadvance.com/naver_editor/data/file/61296028033.pdfIn PDF document text
  • https://bdaudit.ro/userfiles/file/vusixadavadiziw.pdfIn PDF document text
  • http://blfimmobiliare.com/userfiles/files/filopovovodabonusu.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d1c02551aff---65503123426.pdfIn PDF document text
  • https://btegypt.com/file/masoputetunatiwoboguwez.pdfIn PDF document text
  • https://cyklo-wellness-penzion-palice.cz/content/jetizibikipotiwekuzap.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd4e095236---wefusifumafajebujixedod.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=qts+numeracy+skills+test+pdfPDF link annotation
  • 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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