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.
• 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://coretry.ru/uplcv?utm_term=play+1080p+video+on+720p+screen+android PDF link annotation

  • http://problemconsulting.com/img/download/files/83754285739.pdfIn PDF document text
  • https://www.sibirprokat.ru/ckfinder/userfiles/files/xogawiloladelowabadezuzo.pdfIn PDF document text
  • https://isleo.com/i_photos/file/13426641710.pdfIn PDF document text
  • https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/26719648553.pdfIn PDF document text
  • http://guoyangmoju.com/userfiles/files/98410511123.pdfIn PDF document text
  • https://jbdclothiers.net/emailer/userfiles/file/detevij.pdfIn PDF document text
  • http://agrostroi-proekt.ru/ckfinder/userfiles/files/dovekoje.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161339880a4261---151055616.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132c67957050---zudebos.pdfIn PDF document text
  • https://citronel.com/userfiles/files/57701128297.pdfIn PDF document text
  • https://aluminiosarla.com/userfiles_arla/files/6655385792.pdfIn PDF document text
  • https://hurghadalife.net/userfiles/files/kopesuzotewamoturub.pdfIn PDF document text
  • http://receptlap.hu/files/naporebopovipo.pdfIn PDF document text
  • https://merohamro.com/ckfinder/userfiles/files/potudupa.pdfIn PDF document text
  • http://emilygrilltogo.com/uploads/files/maduvorujovadezajepe.pdfIn PDF document text
  • https://airbays.com/userfiles/file/26957138645.pdfIn PDF document text
  • http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/161315713d659c---4206818835.pdfIn PDF document text
  • http://metalltechnik-kutschi.at/88786802998.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/1656b7c30a6c1fd33e0420153870e8a6/10803743310.pdfIn PDF document text
  • https://fotofidelity.cz/userfiles/file/tijos.pdfIn PDF document text
  • https://dnm.tw/uploads/files/202109021409044111.pdfIn PDF document text
  • http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/25689330708.pdfIn PDF document text
  • http://dulwichtaxi.com/survey/userfiles/files/96129594774.pdfIn PDF document text
  • http://18554080.com/userfiles/file/serejafus.pdfIn PDF document text
  • http://fusen-es.info/yamituki-n/uploads/files/gegafijir.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1613693f1735bc---pivudowonok.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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