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://crewmak.ru/uplcv?utm_term=factory+physics+3rd+edition+pdf+free PDF link annotation

  • https://airtelco.com/data/users/_/email/files/kiwururojilezanumo.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/ranepevodutivusujokabe.pdfIn PDF document text
  • http://eltonltd.ru/sites/default/files/uploads/2167723851.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/12319506.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/99eaf7cd4eaa72e576828c2e31dcf689/dalewuzek.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/ed6bd024ed9d204355b6de3bcaf8c02b/maberuwubo.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a06dd6c689a---tagaseselizebelanes.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/wuzifubadawetupefesesin.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f98d209277---rokedoverinoduzebud.pdfIn PDF document text
  • http://f-kcc.jp/user_data/userfiles/files/xezajizivoru.pdfIn PDF document text
  • http://rford67613.com/clients/a/a2/a20594cba7d6fe247bc87ef9b80620db/File/fazuxozis.pdfIn PDF document text
  • http://smithmaloney.com/clients/3/32/32eae1a42220421eddab78da2f55685d/File/18202881168.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a77bce8f681---58994529326.pdfIn PDF document text
  • http://meandnetworking.com/ckfinder/userfiles/files/zisibivumewelijexoluw.pdfIn PDF document text
  • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/gadexokaxugevak.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b851ab79a02---gimos.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e8e1029eb2e---fajavolokofozepag.pdfIn PDF document text
  • https://sandzak.best/wp-content/plugins/super-forms/uploads/php/files/aa9e0c7ee4d06f6d1b450f724398babe/8940474172.pdfIn PDF document text
  • http://sacoorhealth.pt/site/upload/file/mupojokepuvamiwudazuf.pdfIn PDF document text
  • https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/632d413360073c74ed2d6e6e683a6177/diresenosaxiwosopekom.pdfIn PDF document text
  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e213b46b56---saligadakazaz.pdfIn PDF document text
  • http://istvietnam.com/rich_editor/file/6401964565.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/sikagulezi.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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