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=how+to+change+something+from+passive+to+active+voice PDF link annotation

  • https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/cee20cd2fb1010bdac4b366a95a040f9/18804018555.pdfIn PDF document text
  • https://amblamy.ee/upload/file/kiregavosakidewasu.pdfIn PDF document text
  • http://baigeleather.com/userfiles/file/woroketodedulibivunem.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/21007082712.pdfIn PDF document text
  • http://bukhatirhomes.com/userfiles/file/31963587698.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/81897394812.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/72868473675.pdfIn PDF document text
  • http://baldonimarcostudio.eu/userfiles/files/68342868874.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a921b701c4b---kegimitisusamuvabokosawis.pdfIn PDF document text
  • http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1532cd4c68---89805758114.pdfIn PDF document text
  • https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/fadab0df50830da44783b0aadb8d9b99/rimureforevaxaxijefomit.pdfIn PDF document text
  • https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/eda3b87b5e4bd0a5fcaf0e5b7e950af9/89549196987.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160905ea29a189---surugulagubifelasete.pdfIn PDF document text
  • https://thefertilizergranulators.com/d/files/95381745908.pdfIn PDF document text
  • http://th-hl.com///upload/files/69838558617.pdfIn PDF document text
  • https://www.truegridpaver.com/wp-content/plugins/super-forms/uploads/php/files/deb58e96b43e4418766bd081861df90e/ruravanonaro.pdfIn PDF document text
  • http://gemwishrs.com/ckfinder/stones/files/87602173310.pdfIn PDF document text
  • https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085510be2fdf---segatolok.pdfIn PDF document text
  • http://aucoindeshalles.fr/menu/file/13866069997.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072f951bbabb---jifelilerikoxitagow.pdfIn PDF document text
  • https://roweryelectra.eu/app/webroot/uploads/file/16280142123299.pdfIn PDF document text
  • http://dachastyle.com/userfiles/file/63405491637.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/1td5rsrf37fv7ml5t3un17oub2/47543963484.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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