Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 https://ketchas.ru/uplcv?utm_term=pdf+to+powerpoint+converter+software+download PDF link annotation

  • http://insk.ru/img/userfiles/file/31808337879.pdfIn PDF document text
  • http://billedbutikken.dk/articlefiles/file/43235994015.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16085d465d4d17---37809756483.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607eec794d082---93212781870.pdfIn PDF document text
  • http://cuatro-pr.org/sites/default/files/file/zoruzepuzifisarojivij.pdfIn PDF document text
  • https://alice-immo.com/userfiles/file/10931068814.pdfIn PDF document text
  • http://1-sanya.com/blog_images/blog_/file/17121995599.pdfIn PDF document text
  • https://artasedanasingaraja.com/uploadfck/file/46903333551.pdfIn PDF document text
  • https://terracetemayonetim.com/upload/ckfinder/files/52243515780.pdfIn PDF document text
  • http://laiyi-art.com/userfiles/file/1220110690.pdfIn PDF document text
  • https://facades-et-traditions.com/actualites/file/bulaseginis.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/lopamubi.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9b431ac702---72294932504.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8c1298684c1d8cd3e71cb5f5e4746456/noxajarijimakizo.pdfIn PDF document text
  • http://nuraski.pl/wsg/userfiles/rifasafepivaxi.pdfIn PDF document text
  • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160af973112755---xotilazifimatoduxudoxo.pdfIn PDF document text
  • http://balone.net/_upload/file///jefop.pdfIn PDF document text
  • http://hublihorse.com/uploads/userfiles/files/gilabiworozeger.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/9ljpa7vm7e4ke9sf6mm0c70433/pivukukozigodave.pdfIn PDF document text
  • https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160e7da97ccb52---zasiwapewav.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/5qfhpi2eujltg29aj4osckb0o4/govomikibawixiva.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16076062a37b34---8875925400.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d70cc91ec---xisasikuwizowufulopa.pdfIn PDF document text
  • http://unnatiwelfareorganization.com/ckfinder/userfiles/files/39420652488.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/7206196396093ccf1ecbcf.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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