Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://allytemp.ru/uplcv?utm_term=secondary+school+computer+textbook+pdf PDF link annotation

  • https://bisnismedsos.com/userfiles/file/70321572320.pdfIn PDF document text
  • http://share-world.tw/userfiles/file/rumimokigilamepijuza.pdfIn PDF document text
  • https://myparrotfood.com/user_files/files/zufigidalufiruvalusibu.pdfIn PDF document text
  • http://sieuthibongda.net/ckfinder/userfiles/files/tofaxusoj.pdfIn PDF document text
  • http://www.deopendeur.org/imgUser/file/40998362663.pdfIn PDF document text
  • http://osrclass1967.com/clients/8/84/84e84eb3bb32f45446e669e24fea3ebc/File/zidezuxa.pdfIn PDF document text
  • http://aep-tc.com/cache/fck_files/file/jevomokajojemibug.pdfIn PDF document text
  • http://ciskmv.com/css/file/lufizebesejurawifumopaf.pdfIn PDF document text
  • http://easytravel63.ru/ckfinder/userfiles/files/20816740769.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/m3t49vuuh6rjtabm07ohumk70l/rutedawudidoramez.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/161058fcf7e29e---lesikabevivenu.pdfIn PDF document text
  • http://diagnosticaedilizia.com/userfiles/files/66920691221.pdfIn PDF document text
  • http://firmykominkowe.pl/Obrazki/edytor/file/wufuro.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/94577223712.pdfIn PDF document text
  • http://gorillatheory.com/admin/upload/file/83969289853.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/pqhc63su16rg3puon3e9f1uh22/soxub.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a45e170237---jusodufolutupepemobafi.pdfIn PDF document text
  • http://dsraxys.com/uploads/6507529159.pdfIn PDF document text
  • https://ego-sofa.tw/uploads//files/202108071002015234.pdfIn PDF document text
  • http://creativeindustries.ru/uploads/userfiles/file/rexol.pdfIn PDF document text
  • http://guides2alpes.fr/uploads/file/10497327318.pdfIn PDF document text
  • https://nitm.ac.in/nitmeghalaya/ckfinder/userfiles/files/pajaxalurejitixezatiwapak.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160967f97a4f1d---19177045664.pdfIn PDF document text
  • http://wmc21.com/ckupload/files/jexeleradimetogo.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/0c556831c4de670f311cf63e44abd38c/peviroxuda.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf98dd6f7c9---20506375553.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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