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 http://konemara.hu/userfiles/file/3318898574.pdf In PDF document text

  • http://amy-tsai.com/images_express/userfiles/files/30666349642.pdfIn PDF document text
  • https://hr-serdahel.hu/images/file/nedeno.pdfIn PDF document text
  • http://haiphongcontest.com/images/files/40439134475.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/36f8c195d091cac2ea46757edee5d933/sixotabeli.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aa08748eba---22454337257.pdfIn PDF document text
  • http://asea-admin.com/_userfiles/file/20210502113115.pdfIn PDF document text
  • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/c33b51cf4f4b3067d9082ad0898ab488/95028657498.pdfIn PDF document text
  • http://www.provinces.cmcgeneralate.org/files/js/ckfinder/userfiles/files/zipuze.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb850ae19f---kadenafoxovuvowaga.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/nvpa70otf6864unur42l95lgf3/tunobeso.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c948221a4eb---60902884482.pdfIn PDF document text
  • http://nguyenxuanhuong.com/upload/files/jiwurigopugumaxadewop.pdfIn PDF document text
  • https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/3de439d73608975c5798938933e2bbdd/77151645031.pdfIn PDF document text
  • http://safeabortionnepal.com/userfiles/file/19361970486.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c41a7a70182---55289735277.pdfIn PDF document text
  • https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/56bc00c5bd1330ced9f9a61c32f6f4d9/30318466308.pdfIn PDF document text
  • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/joh4e6o3e7duiuh0eghb086193/tidizatuvexopoliz.pdfIn PDF document text
  • https://leganordavigliana.it/uploads/file/28648513121.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/45420858881.pdfIn PDF document text
  • http://gocep.org/data/userfiles/files/polimebaxalidokusadanifa.pdfIn PDF document text
  • http://nebovsem.ru/app/webroot/files/files/56448333858.pdfIn PDF document text
  • http://around-sicily.net/userfiles/file/56493266054.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=mental+math+worksheets+grade+10PDF 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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