Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://chcial.ru/uplcv?utm_term=french+a1+syllabus+pdf PDF link annotation

  • https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/7cc5751ec8ca511ac27ca19fbf8b5579/zilakapusegewitizati.pdfIn PDF document text
  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad8fbde8966---tuweruzi.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/gv2goa1q7t1a7m1bvv8kse1qkf/tofose.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/38968353013.pdfIn PDF document text
  • https://coil.hk/upload/files/30576651980.pdfIn PDF document text
  • https://baoyi-chuck.com/ckfinder/userfiles/files/54245492950.pdfIn PDF document text
  • https://yocarbroker.com/upload/ckfinder/files/17518018112.pdfIn PDF document text
  • http://kasaitogo.com/uploads/files/ruwazusotezu.pdfIn PDF document text
  • https://carolinevlieghe.fr/images/file/28092575706.pdfIn PDF document text
  • http://bahtiyardishekimi.com/fckfiles/file/92039815816.pdfIn PDF document text
  • http://zulassungsservice4you.de/bilder/file/67838083799.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/a957ef3c8a0179e2d7bea90da999d774/51182148663.pdfIn PDF document text
  • http://portaldo.eu/contenuti/upload/file/36457417575.pdfIn PDF document text
  • https://sgdivorcelawyers.com/wp-content/plugins/super-forms/uploads/php/files/f1bbfd955117a7b82fcfa6d21c49c912/guziba.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16092176d1b22f---18294931242.pdfIn PDF document text
  • https://www.champagne-cornevin.fr/ckfinder/userfiles/files/wizaregigobetativofosid.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/favonivokolejulilof.pdfIn PDF document text
  • http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f397327c1e1---21771108060.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/g68tju4ek7ajcbgovvutcr859n/gafutaraku.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/28408138677.pdfIn PDF document text
  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/f2b0827659946d7961ead57b571c1525/nafiwofipotavanak.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/rf3mldr7bpd9ti03bcfaol6t40/16457423305.pdfIn PDF document text
  • https://angkaganjil.com/contents//files/woduwa.pdfIn PDF document text
  • http://bajajsports.com/userfiles/file/27050831047.pdfIn PDF document text
  • http://kursadowicz.pl/Upload/file/11092750655.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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