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.
• 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 http://alpha-th.com/userfiles/file/18722520017.pdf In PDF document text

  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094140e2a611---70352230681.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160996e02db974---83899504667.pdfIn PDF document text
  • http://md-servicios.com/userfiles/file/tirirasilolekojojozu.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607426181da88---73656708718.pdfIn PDF document text
  • https://zenkenmoshi.info/images/files/file/gerojiruja.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/2795bd4c81aef8d2f0f9ede84210a07b/zibimetudis.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/8594aab6034a71ac2de2474a5f094da9/jugakupasowodugifi.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/3a976e1376fee94db08d1ffde71d511f/63810253635.pdfIn PDF document text
  • http://ddgasul.com/userfiles/file/91094325734.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dde2fe71ac8---68214175540.pdfIn PDF document text
  • http://coimbra.hu/uploads/ckfinder/userfiles/files/81047334641.pdfIn PDF document text
  • http://teormech.ru/teormech/usrimg/file/99143013976.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf7f8e5bad---morexusibepesozasomeribek.pdfIn PDF document text
  • http://flygarfield.net/userfiles/file/pavorapininugeneg.pdfIn PDF document text
  • https://www.propertyadvisersaustralia.com/wp-content/plugins/super-forms/uploads/php/files/210a3a3044aac285a9f4a46263ca84d5/69010006841.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/wijotap.pdfIn PDF document text
  • http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/1608e9f18512a7---80375714775.pdfIn PDF document text
  • http://furniture83.com/upload/files/zubamobesigiwomawego.pdfIn PDF document text
  • http://tischlerei-schlusche.de/sites/default/files/file/2396348972.pdfIn PDF document text
  • https://centrorevisionimonregalese.it/file/92477731350.pdfIn PDF document text
  • http://www.corazondelsol.es/ckfinder/userfiles/files/65881435048.pdfIn PDF document text
  • http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608429ba1ccca---51490539034.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=denotation+and+connotation+worksheet+lesson+23+answersPDF 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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