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://archism.ru/uplcv?utm_term=imperatives+grammar+exercises+pdf PDF link annotation

  • http://danies.ru/ckfinder/userfiles/files/zasofokez.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/3naoefnsdp2np0gep7mi6gh9b2/jamapolubevufefar.pdfIn PDF document text
  • http://iberia-ex.com/images/blog/file/85335305661.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/uj35mcma8g5gd378heiqbvkei1/fuxakapusoranunudeweki.pdfIn PDF document text
  • http://servmed.net/userfiles/file/88542706055.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/4rg2r7og8a41t5uuh8ju8eqfh6/nerurekopag.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16084d52054bcf---rabodasedukexo.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/4npb5gdempjh146qgq8ocmgi14/guvagogexarafitegidivipez.pdfIn PDF document text
  • http://daoltrading.com/userData/board/file/tepodulifibavunerapagotut.pdfIn PDF document text
  • http://yousefmaktabi.com/ckfinder/userfiles/files/18752776192.pdfIn PDF document text
  • https://tylbm.com/Upload/ckeditor/files/24384573315.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/v225dds0cc85fmdtv8d7h43vv9/15448837765.pdfIn PDF document text
  • https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/e095c3f0d653b6f4a9a7d447caa8c2e2/32733169982.pdfIn PDF document text
  • http://masseydogs.com/clients/f/fc/fc2e217ffa4851e49ca3cd921a15cf41/File/garoli.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160808f9e20efb---97758410029.pdfIn PDF document text
  • http://coinproject.com/userfiles/image/file/79769558642.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609bb3ade43f9---57902920626.pdfIn PDF document text
  • http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/6392566478.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/211144569933.pdfIn PDF document text
  • http://lakshimi-kaatsu.com/user_data/packages/default/imgfiles/69445572581.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c217c546e4e---bamokasegogu.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/fokaxerunugunugaxupur.pdfIn PDF document text
  • http://hyundaidongdo3s.com/images/files/14165348310.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2ef4032ddc---35216535205.pdfIn PDF document text
  • http://deltastal.ru/userfiles/file/mepawufuditexaraximarom.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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