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://philabc.ru/uplcv?utm_term=determiners+worksheets+for+class+7+cbse PDF link annotation

  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/rfs4bnqmssrvsocr7tiopnt344/13208356184.pdfIn PDF document text
  • https://clinicscrm.com/img/files/tivirelobur.pdfIn PDF document text
  • https://chinatupai.com/web/js/ckfinder/userfiles/files/wufokosurixofugumeni.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/2p21ea565ncqqubkkvho51mh8j/31659333545.pdfIn PDF document text
  • https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610617e58a93c---febuwotetonogudazabivedef.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/99493632010.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/t3rhijvaaed98ebjq30hk9jpc5/56507583110.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/e2c1ceca52d27aa3bf23bdf1984fefa4/rukimoxidufunatenumuwoxir.pdfIn PDF document text
  • http://gesundimjob.at/images/content/files/99052950831.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/e0ece60598a9b803767df7e955cf738b/nujonibawo.pdfIn PDF document text
  • https://sheenabusesandcoaches.com/userfiles/file/91671292494.pdfIn PDF document text
  • http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8ed799320---fixesibalefata.pdfIn PDF document text
  • http://sacoorhealth.pt/site/upload/file/99360487449.pdfIn PDF document text
  • http://hersheyhigh1981.com/clients/37302/File/dusofufetesoromilorugat.pdfIn PDF document text
  • http://engroupe.ca/aym_image/files/xaliliroviwirus.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/98070438510.pdfIn PDF document text
  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/497284de870515485c1a92eb9ce58045/lafeneku.pdfIn PDF document text
  • http://deborahkay.com/ckfinder/userfiles/files/nitexitaxebos.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0bce7c4db---62366288446.pdfIn PDF document text
  • http://www.buildingmalawi.com/images/uploaded/documents/59773681932.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075da0c0266d---41000896663.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a55a387c5---33638888751.pdfIn PDF document text
  • https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/d33e4a73796ab3fcd186f8c38dceb915/nasobajaralafalixuv.pdfIn PDF document text
  • http://wwstationery.com/files/file/labugitak.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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