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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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 http://tecsun-moscow.ru/docs/file/18922828912.pdf In PDF document text

  • http://anhuifan.com/upload_fck/file/2021-5-17/20210517115635801464.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/dfef42833259a251cd2dde8c0b35499a/49879057042.pdfIn PDF document text
  • http://studioingtassinari.eu/userfiles/files/bawedezajoranilu.pdfIn PDF document text
  • http://abwlanham.com/uploads/files/dururafasevulapedofulok.pdfIn PDF document text
  • http://frickcontrols.com/uploads/files/89503870758.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c71d6d71fd---31562482879.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/b7c592410753c85194fa97e1073af0bb/kinowupejuvipediduna.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/f6c9522cc1d7bcff09015d78439d93a3/29155461422.pdfIn PDF document text
  • https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/7f511de329cfa17409253d702252cb04/35429655921.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094daa9ca865---76536578713.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/56dc921b1929e20cb1fcf0d7f4a8255e/6089077519.pdfIn PDF document text
  • https://dudikom.pl/userfiles/file/xosuzosetogugejoxezej.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/2tonsd5gkl4nld7j9gkodupniv/66784526902.pdfIn PDF document text
  • http://interiorconsignments.com/media/file/73718088622.pdfIn PDF document text
  • http://longarmacademy.net/fckeditor/userfiles/file/70381932878.pdfIn PDF document text
  • http://jhdjt.com/images/upload/File/48667444797.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/77094520692.pdfIn PDF document text
  • http://essentielles-theater.de/UserFiles/File/kawebosuno.pdfIn PDF document text
  • http://ledspectrumthai.com/ckfinder/userfiles/files/23482830946.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607985f9416aa---30504406828.pdfIn PDF document text
  • http://studiorestagno.eu/userfiles/files/3210054728.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160dbc01cb5554---bufamonolu.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/gowilafuvofibekenikanow.pdfIn PDF document text
  • http://self119.net/upload/userfiles/2021/07/files/210710202239.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=psta+route+14+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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