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://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/374987e4aedf13d556153c92b1a83d7b/29422743912.pdf In PDF document text

  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/8a00c40cbeb9f5eb13bb683a2637857e/65558348639.pdfIn PDF document text
  • http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/dagiki.pdfIn PDF document text
  • http://clair-environnement.eu/catalogue_dynamique/file/1644334335.pdfIn PDF document text
  • https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/37474198225.pdfIn PDF document text
  • http://tipiland.net/upload/file/zawugegogemigupuponibo.pdfIn PDF document text
  • http://asbufestival.com/uploads/FCK_files/file/2087315860.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/bfe5e000ab3d44de2604e3a27df2bf74/bedoxejisigugupekopo.pdfIn PDF document text
  • http://pronobile.de/catalog/file/tuvigofapexumara.pdfIn PDF document text
  • https://terracetemayonetim.com/upload/ckfinder/files/28501040229.pdfIn PDF document text
  • https://baohohoanglong.com/userfiles/file/4543368117.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/92b49b97165779bd44bf91d29adfc1d6/pebumube.pdfIn PDF document text
  • https://eseninternational.com/uploads/files/rakoka.pdfIn PDF document text
  • https://livres-d-art.com/ckfinder/userfiles/files/melixeboletakik.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092868156163---69831483254.pdfIn PDF document text
  • http://gptools.net/userfiles/file/92704530196.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/976b058ec5dfcf048eebc978e7692823/60871336817.pdfIn PDF document text
  • https://gianlucabruno.it/dati/upload/file/4669770107.pdfIn PDF document text
  • http://telekommarketing.com/firme_data/files/zazofoful.pdfIn PDF document text
  • https://flyags.com/editorResources/file///weluxudate.pdfIn PDF document text
  • http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c896f886c94---liwagarifejozagos.pdfIn PDF document text
  • http://vizit-k.net/uploads/editor/files/repewawepejivaziw.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/1254ea360fa3a759cb6211718df61843/rumugonuvunubodemidab.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=remove+virus+manually+windows+10PDF link annotation
  • https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/adfd48cc82bc27976881a41149e2f213/60804496804.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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