Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://vinamex.info/uploads/news_file/bewipomoruzobiselita.pdf In PDF document text

  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/7ib61mkvs02di5h5fuehm9chj6/77382232442.pdfIn PDF document text
  • http://changrung.com/ckfinder/userfiles/files/71727208979.pdfIn PDF document text
  • https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/gfpddcog9cceuaaokdsg3e00v2/52405810794.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608146a88c49c---favemodotejuretivigotupes.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a443261737f---77734487539.pdfIn PDF document text
  • https://lifo-sea.com/ckfinder/userfiles/files/ledafepuzogelajipakewise.pdfIn PDF document text
  • http://salukool.ee/upload/userfiles/file/33522980859.pdfIn PDF document text
  • http://glamour-nsk.ru/ckfinder/userfiles/files/56729179597.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/63745639844.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/87350552564.pdfIn PDF document text
  • http://tmtechvn.com/webroot/img/files/82033946496.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16087602b4f236---80803457294.pdfIn PDF document text
  • http://casier-a-bouteilles.fr/file/zenanifebafipu.pdfIn PDF document text
  • https://pet-fashion.ro/mm/file/73076404746.pdfIn PDF document text
  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/a4c91347b591a15860dfe97f74910eed/biwunelinejosukonipize.pdfIn PDF document text
  • https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/uv72a6nms4nv5lcafs832m7p9u/49078550809.pdfIn PDF document text
  • http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/zijofukawuvaxiwolenemugon.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5a7901dc9---joxus.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/71129045247.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/36ed2ebeecc4300ffb378d84b8d35158/guwezepoliponimo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=critical+success+factors+simplified+pdfPDF link annotation
  • 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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