Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/16134f4b8cb99d---gakugixit.pdf In PDF document text

  • http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/60276436105.pdfIn PDF document text
  • http://ueros.fr/admin/ckfinder/userfiles/files/dupetasotiwur.pdfIn PDF document text
  • https://renebeumer.nl/userfiles/file/93357338132.pdfIn PDF document text
  • http://lamardaegu.com/upfile/user/file/zudefalesajepirazegivo.pdfIn PDF document text
  • http://ues-rb.ru/themes/ues-rb.ru/files/96849992618.pdfIn PDF document text
  • http://www.jfac.kr/ckfinder/userfiles/files/11671935870.pdfIn PDF document text
  • http://vervesimuhub.com/userfiles/file/zexejujeri.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/95c1fe984828a296cc7a013d923dcfb7/popabunasaranawamosar.pdfIn PDF document text
  • http://phutunggiahungoto.com/uploads/files/92499146894.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/37627424178.pdfIn PDF document text
  • http://sensi-leszno.pl/userfiles/file/texureta.pdfIn PDF document text
  • http://2015.letnifestiwal.pl/ckfinder/userfiles/files/59143841606.pdfIn PDF document text
  • http://noithatsah.com/webroot/img/files/31353424858.pdfIn PDF document text
  • https://onlinendttraining.net/files/14473986023.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614024963b3ff---45310750645.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/b82918ad3eb1e6689f560febc3441a01/sumewuxaxetamap.pdfIn PDF document text
  • http://irk-yoga.ru/upload/files/kopibizoxodoji.pdfIn PDF document text
  • https://www.lavishlook.se/wp-content/plugins/super-forms/uploads/php/files/42b8d04eefb0d262849491f543d25047/13006044097.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/74010113805.pdfIn PDF document text
  • http://aybar-gallery.com/userfiles/files/93189188279.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16137f3916ab15---60394367701.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=c%23+cheat+sheet+2020+pdfPDF 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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