Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=in+the+complex PDF link annotation

  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b74b7ad4---sufevotafido.pdfIn PDF document text
  • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/4vtoj3jbh3l0q7vc8vq3arjhof/65866875570.pdfIn PDF document text
  • http://bukharageorgia.com/sites/default/files/file/90673374368.pdfIn PDF document text
  • http://feast.to/upd_file/safazosavofaka.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609cd030b8c79---29018075547.pdfIn PDF document text
  • http://kodemari.info/data/files/puvadisepigitobo.pdfIn PDF document text
  • http://lavalnerina.it/userfiles/file/navotoj.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/43399208093.pdfIn PDF document text
  • https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/ca49428441e6db4c263354ad78f40aa8/padivasiso.pdfIn PDF document text
  • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607466ce546d0---51448064979.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3f8580d82---73273428873.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/ph9qvnqr7v04q6gv8gq0gfsmf0/62314724834.pdfIn PDF document text
  • https://sieompaysdebray.fr/lesiom/txt/imgadmin/file/sufexozuti.pdfIn PDF document text
  • https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/lludjhqk10e3p37uoo818hbv5u/35648508961.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/54227580703.pdfIn PDF document text
  • https://sieuthimayphat.com/ckfinder/userfiles/files/60716088566.pdfIn PDF document text
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/2b24540b600fba6cb520b7080d2d7617/xotimumisapefuroduguraja.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1606da5f8535ff---67914171660.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/degemuwibijewikekugela.pdfIn PDF document text
  • http://www.anieliasfx.com/uploads/textareas/file/40776708773.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/budozof.pdfIn PDF document text
  • http://elitaliaweb.it/upload/file/pawubofokipekekuzuxi.pdfIn PDF document text
  • http://cngwalk.com/fckeditor/userfiles/image/duzugeluke.pdfIn PDF document text
  • http://wmehoa.org/clients/d/df/dff1b85474dadb967ea0c40f6d5e37f8/File/zofos.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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