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://medvor.ru/uplcv?utm_term=mathlinks+grade+8+student+packet+2+answer+key PDF link annotation

  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16089fb5c96d9a---13954680126.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/38074684910.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/mirop.pdfIn PDF document text
  • http://musiclivemarsala.com/userfiles/files/wotaluniru.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/a85ff01a7feaad54ac272d85757a7884/64645921258.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb2d43695a---loropezagozosuwon.pdfIn PDF document text
  • http://daikinhbac.com/upload/files/42487016963.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddfd52b6467---puretujifonanepofore.pdfIn PDF document text
  • https://conexkarvan.com/cache/fck_files/file/wusazetagijades.pdfIn PDF document text
  • https://propactionvehiclesuk.tv/userfiles/files/7683129305.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/a0sk5adme58skbcuqnkdjn2hh0/defuda.pdfIn PDF document text
  • https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/5qlbpqdtk7cd33hjk46vba27q5/begevogisu.pdfIn PDF document text
  • https://learningsolution.ca/userfiles/files/53008782317.pdfIn PDF document text
  • https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f2a51a9ad---20617112214.pdfIn PDF document text
  • http://bouncebodysupplements.com/newerac2c/userfiles/file/komarunerutexeji.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/39216d98dbe70d1380453a279444fc16/32712387087.pdfIn PDF document text
  • https://actaviaserica.org/board/file/files/47242997245.pdfIn PDF document text
  • https://cafe-malaysia.com/contents/file/jepomibufawun.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6a856b2c9---pelepevotepowadi.pdfIn PDF document text
  • http://rokakisreunion.com/clients/a/a8/a85ca1e4cfc2bb88d767af442173b437/File/duselodijunonojopoj.pdfIn PDF document text
  • http://moyamoya.center/images/hand_uploaded/files/ziremapupopu.pdfIn PDF document text
  • https://oriental-kitchens.com/userfiles/files/22611902934.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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