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://inwebjor.ru/uplcv?utm_term=coping+skills+for+intrusive+thoughts PDF link annotation

  • http://www.gamylai.vn/uploads/files/vejigezobuwekonuvupedite.pdfIn PDF document text
  • https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/e0c1faebcc2f140445ecf4b9d424c923/26112443437.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16160718e1df13---35542426494.pdfIn PDF document text
  • http://yhbinternational.com/userfiles/file/9043509622.pdfIn PDF document text
  • https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/3cbd24655135ddf58c630a41b8c6e4bd/97135976009.pdfIn PDF document text
  • https://sananselmo.com/wysiwygfiles/file/parutibidakovosejixuzad.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/ecdf7ce8fd3d9287e4204bdf9df8d3cf/44051987412.pdfIn PDF document text
  • http://cmtdental.com/upload/ckimg/files/kegurukurakolulufopobomo.pdfIn PDF document text
  • http://tangiahoang.vn/Images_upload/files/dadep.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/161566d2e0f329---38890657903.pdfIn PDF document text
  • http://lyzjkgm.com/d/files/17579242698.pdfIn PDF document text
  • https://sokolzgierz.pl/web/uploads/files/23602972680.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138b741863f2---84651352651.pdfIn PDF document text
  • http://xn--80adib9cjd8a5e.xn--p1ai/i/upload/files/4407342741.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e62f9ac7ca---91092384271.pdfIn PDF document text
  • http://www.gyndoktors.de/ckfinder/userfiles/files/sakijazux.pdfIn PDF document text
  • http://av72-reklama.ru/userfiles/file/1632320172c6b182d0f041a2312947.pdfIn PDF document text
  • http://expresskaliski.info/file/27543381037.pdfIn PDF document text
  • https://0924055971.com/uploads/files/202108312235232567.pdfIn PDF document text
  • http://inventory-acepipe.com/images/uploads/files/duvenegigugisosesiresiv.pdfIn PDF document text
  • http://fastbeatbattlerider.saint-fun.com/assets/upload/files/55934143115.pdfIn PDF document text
  • https://china-glass-mosaic.com/userfiles/files/20210921_145340.pdfIn PDF document text
  • http://carnow.jp/js/upload/files/50891199453.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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