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 https://drafthe.ru/uplcv?utm_term=graph+paper+pdf+1+cm PDF link annotation

  • http://beergolfers.com/blog/images/file/86132071714.pdfIn PDF document text
  • http://cn-noah.com/uploadfile/file/buruwenutonorefonaku.pdfIn PDF document text
  • http://www.agot.pl/upload/file/82704410071.pdfIn PDF document text
  • http://bright-mineral.com/uploadfile/file/2021090916043180.pdfIn PDF document text
  • https://motelandratecuci.ro/userfiles/file/47821794534.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/81872219238.pdfIn PDF document text
  • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/79486cf789a092292e0872452709c9da/11902698360.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134c0e6ea8d7---xuvuwiwefovemalexu.pdfIn PDF document text
  • http://mtcongnghiepxanh.com/upload/fckimagesfile/gewebexemefe.pdfIn PDF document text
  • http://electric-kernbichler.at/97691770366.pdfIn PDF document text
  • http://kargo-box.com/uploads/files/5193846756.pdfIn PDF document text
  • http://custom-mugs-factory.com/uploadfile/files/99347908896.pdfIn PDF document text
  • https://n-tlg.com/files/file/borak.pdfIn PDF document text
  • http://moonlightmontessori.com/upload/files/7669381812.pdfIn PDF document text
  • https://erdenetpost.mn/userfiles/files/lakesotavosexukijetixufu.pdfIn PDF document text
  • http://makrostal.pl/user_images/file/91313788471.pdfIn PDF document text
  • http://consol.hu/images/uploadedimages/file/24586597809.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/3024340804.pdfIn PDF document text
  • http://bakineshr.az/ckfinder/userfiles/files/dunokebuvuzuxaweju.pdfIn PDF document text
  • https://ibrahimkoc.com/images/Media/files/92779962751.pdfIn PDF document text
  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16137fca3483bf---6683437037.pdfIn PDF document text
  • http://scea.edu.mn/ckfinder/userfiles/files/81915343785.pdfIn PDF document text
  • https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/9a224c571b3fcb96f961e9a1b75f38a5/tonibuzekigatemuk.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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