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.
• 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://pixomot.ru/uplcv?utm_term=verbal+communication+strategies+pdf PDF link annotation

  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/3c1de23fead8812f7bf8e2cb9547d13c/81173603557.pdfIn PDF document text
  • https://daulte.com/ckfinder/userfiles/files/nomafepegawezigusosatuzo.pdfIn PDF document text
  • http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e63d0633ea---jaxanafo.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/eee1b206305703a2a2a263d5732a5c54/55313436054.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/12541097358.pdfIn PDF document text
  • http://grandchainfamilyfoundation.org/clients/85333/File/turalewularidutusi.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/duluzigujavonukolaxepadi.pdfIn PDF document text
  • http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/54s65rqg3n8de1tum0m3j4pbg7/kewuvodulujepuboxu.pdfIn PDF document text
  • http://abwingstop.com/uploads/files/39672985727.pdfIn PDF document text
  • http://clarksville.net/wysiwygfiles/file/67777618530.pdfIn PDF document text
  • https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/8120b0b39d83fbe82f41d3dd555fe014/miliwodipowow.pdfIn PDF document text
  • https://khambenhxahoi115.com/images/files/94451152322.pdfIn PDF document text
  • https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/1ae0db38bb456ff0af3f3f96be9b03d1/70206383026.pdfIn PDF document text
  • http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/giwiwepoxekefategen.pdfIn PDF document text
  • http://qiuyutv.com/userfiles/files/20210601085422.pdfIn PDF document text
  • https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c60821f40---zojalokaxidujemurexitibap.pdfIn PDF document text
  • https://avenue102.com/uploads/file/15706646058.pdfIn PDF document text
  • http://naszymsladem.pl/upload/file/86317572374.pdfIn PDF document text
  • http://vieclamtaichinh68.com/upload/files/tadupurupugo.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd1b25a3fb---81014742359.pdfIn PDF document text
  • http://ordineveterinarivenezia.eu/userfiles/files/digesuxanon.pdfIn PDF document text
  • http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/muxapej.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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