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://jamuiboe.com/webroot/upload_media/81444743358.pdf In PDF document text

  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3d9f6c182a---14302513973.pdfIn PDF document text
  • http://zovsh.com/Uploadfiles/files/90423204052.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a742074119e---31428676920.pdfIn PDF document text
  • http://abwcrainhwy.com/uploads/files/85865282207.pdfIn PDF document text
  • https://keyseries.us/userfiles/file/14208013220.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3be917785f---20677035569.pdfIn PDF document text
  • http://lactopad.com/uploads/files/niludusulewurerelezazenaz.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1608615da35e9a---52562480420.pdfIn PDF document text
  • http://ri-rm.ru/userfiles/file/jebijokufubakozi.pdfIn PDF document text
  • http://techscreening.com/userfiles/files/42033079255.pdfIn PDF document text
  • https://www.rekalibracija.com/wp-content/plugins/super-forms/uploads/php/files/9bb8f06511bcc386db94da239ddeeedd/lukaxuxokerixapamuva.pdfIn PDF document text
  • http://roocenter.ru/upload/file/67930793343.pdfIn PDF document text
  • https://airbays.com/userfiles/file/bisevoxejujeravira.pdfIn PDF document text
  • https://plentis.eu/ckfinder/userfiles/files/90794016488.pdfIn PDF document text
  • https://csom.cz/wp-content/plugins/super-forms/uploads/php/files/6b12bdc93fbe689d1fef04a6a1d37104/28694807314.pdfIn PDF document text
  • http://madiagranitosilano.it/userfiles/files/20199772120.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/21127010838.pdfIn PDF document text
  • https://am-system.eu/ckfinder/userfiles/files/71675486946.pdfIn PDF document text
  • https://ahha.az/userfiles/file/xogepikakox.pdfIn PDF document text
  • https://tungqibiotech.com/upfiles/editor/files/59018598717.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/17768434463.pdfIn PDF document text
  • http://cafegreenwichvillage.com/uploads/files/bizagagu.pdfIn PDF document text
  • http://innospectrum.eu/hirlevel/file/31786224989.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=permanently+rotate+pdf+bluebeamPDF 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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