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://coretry.ru/uplcv?utm_term=download+cheat+dragon+city PDF link annotation

  • http://leadingedgecorporate.com/user_images/file/69132549626.pdfIn PDF document text
  • https://optimuselearningschool.aels.edu/learning/site/images/uploadfiles/48115633297.pdfIn PDF document text
  • https://sakkestadbil.no/userfiles/file/62179876974.pdfIn PDF document text
  • http://dotacjedlaoze.pl/userfiles/file/11251838461.pdfIn PDF document text
  • http://bptramptour.pl/files/file/xexilowuvetekopotimot.pdfIn PDF document text
  • http://infrabud.eu/fckpliki/file/73028348968.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145bfbcaf480---83942275974.pdfIn PDF document text
  • http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c454cb358e---suwej.pdfIn PDF document text
  • http://investin-khj.ir/ckfinder/userfiles/files/vizepadexe.pdfIn PDF document text
  • http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/minanibasobam.pdfIn PDF document text
  • http://xn--80ab1a9a.xn--p1ai/sadm_files/18047044082.pdfIn PDF document text
  • https://jyapa.com/jhuoyue/uploadfiles/1715680385.pdfIn PDF document text
  • http://bipaf.org/2009_home/upload/editor/file/jopegirukigegovul.pdfIn PDF document text
  • https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/dagezodimujuzizobopelipik.pdfIn PDF document text
  • http://cephedanismani.com/images/pages/file/madaxowopobegokes.pdfIn PDF document text
  • https://thehouseconcert.com/ckfinder/userfiles/files/73696611193.pdfIn PDF document text
  • http://sbcnepal.com/images/file/17768152649.pdfIn PDF document text
  • http://sabaparsian.com/ckeditor/files/files/69116797626.pdfIn PDF document text
  • https://davnosti.ru/upload/fobexixana.pdfIn PDF document text
  • http://kriosispl.com/cote_dor_import/admin/ckfinder/userfiles/files/65372436594.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/5e9ffa9aa3522b0b339049e4b5c74d14/50972439778.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613113c72ae46---fapesumemegobexi.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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