Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://catamma.ru/uplcv?utm_term=military+backpack+id+unturned PDF link annotation

  • https://laptoptranganh.com/data/dulieu/files/39826391285.pdfIn PDF document text
  • http://tsg-edinstvo.ru/userfiles/file/46050088944.pdfIn PDF document text
  • http://auxerretv.com/content/public/file/sasofufemetunuseja.pdfIn PDF document text
  • http://ig-einheitsloks.de/medien/file/67096011950.pdfIn PDF document text
  • http://www.larucheapain.fr/ljk/file/gezevalisebu.pdfIn PDF document text
  • https://emotionalgift.com/ckfinder/userfiles/files/8077439300.pdfIn PDF document text
  • http://1-champagne.com/blog_images/blog_/file/95655508875.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351e222df4c---2928120703.pdfIn PDF document text
  • http://swhwsolution.it/ckeditor-ckfinder-integration/uploads/files/masisusajemewurezag.pdfIn PDF document text
  • http://cocoabuterol.com/upload/files/53928639573.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/108ab537ebec7fdcc0020038de405a8d/70818524580.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d799367b0e---40129756208.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/c817fcec2cd0a7c4b69677ed120e3710/forisorodelimanowaneg.pdfIn PDF document text
  • http://ck-kutnahora.cz/gais/image/file/60946007446.pdfIn PDF document text
  • http://52fotki.ru/ckfinder/userfiles/files/rogiwegevuweranov.pdfIn PDF document text
  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/l8ojc23hq034i5h95ee9atsk26/fopifiguku.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/41540385936.pdfIn PDF document text
  • http://damosushipleasanthill.com/uploads/files/6107318651.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/55e9e5fcb26ed1b6786cd83249a6d4ad/vogedugunatodenajukexon.pdfIn PDF document text
  • https://markiza-trade.ru/admin/ckfinder/userfiles/files/18061290403.pdfIn PDF document text
  • http://darstin.com/userfiles/files/89278088019.pdfIn PDF document text
  • http://gatewayhotelbangkok.com/upfile_hotel/files/garixexe.pdfIn PDF document text
  • https://soechi.net/userfiles/file/revow.pdfIn PDF document text
  • http://gazosilikatnn.ru/uploads/files/53971579331.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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