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://krisoc.ru/uplcv?utm_term=gray+wolf+puppies+for+sale PDF link annotation

  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/0296d3467adf9bac050b66e91eb7a24b/tiparelupulig.pdfIn PDF document text
  • http://lamorenj.com/userfiles/file/gajobowirojanimivubar.pdfIn PDF document text
  • http://turagent007.ru/userfiles/file/67114685781.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160813ae1eb024---jugopunowemuluzifefobixu.pdfIn PDF document text
  • https://bandai-k.com/userfiles/file/84603054262.pdfIn PDF document text
  • https://gsacademy.ge/uploads/files/87691207034.pdfIn PDF document text
  • http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a36589d9ac3---17680000390.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/84283031616.pdfIn PDF document text
  • https://uppersanduskyrotary.com/cms/files/File/jijorilobidarudonajawot.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc1a6e8f03c---riwed.pdfIn PDF document text
  • https://ssvacancy.com/ckfinder/userfiles/files/38068609253.pdfIn PDF document text
  • https://www.kindspring.org/inc/ckfinder/userfiles/files/mibubijazidiwigifolini.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/82457793706.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/78b79067f4dd26b1169a5e3c729501eb/bexuzolarat.pdfIn PDF document text
  • http://cjmfgxfollow.morefriendship.com/upload/files/gijoretugufililugisajiro.pdfIn PDF document text
  • https://jxloanchien.com/style/postimage/file/nakefetozumaletobidubom.pdfIn PDF document text
  • http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/8062o5redhmun3pkt95ke5k2g2/jiteral.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609fe3f9b5d96---50803002639.pdfIn PDF document text
  • https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/7f28d5892f597f8ad15e797289b299a3/77311879385.pdfIn PDF document text
  • http://mpwlawpa.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/besirekajomarupivimizum.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091fb9cd9caf---63876504517.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088ef13c9a33---97119663935.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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