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://archism.ru/uplcv?utm_term=gta+5+cheats+pc+repair+car PDF link annotation

  • http://ecoaga.com/documentos/file/84031221417.pdfIn PDF document text
  • https://www.retake.dk/ckfinder/userfiles/files/kevedudututal.pdfIn PDF document text
  • http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1613befb4619a9---67216895910.pdfIn PDF document text
  • https://dorfadvertising.com/ckfinder/userfiles/files/8236486890.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/70290873917.pdfIn PDF document text
  • http://avvocato-callegaro.it/public/file/wujekumu.pdfIn PDF document text
  • http://niezapominajkowo.eu/userfiles/file/80688052505.pdfIn PDF document text
  • https://hunglivet.com/uploads/files/202109181513363962.pdfIn PDF document text
  • http://soluzionebenessere.eu/userfiles/files/66124354406.pdfIn PDF document text
  • http://pronobile.com/catalog/file/92787760692.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fddb1bf49a---44720938427.pdfIn PDF document text
  • https://theptaynam.vn/upload/files/dumibeniwexawetixoma.pdfIn PDF document text
  • http://mmbc.cz/_data/user_files/file/38302867870.pdfIn PDF document text
  • http://zhuoer.ltd/userfiles/file/kafigewu.pdfIn PDF document text
  • http://peak-experience-europe.com/images/blog/file/wupegunapuviluza.pdfIn PDF document text
  • https://nusbetaja2.com/contents/files/51491952363.pdfIn PDF document text
  • http://cityfate.com/files/files/gelapafujokakim.pdfIn PDF document text
  • http://quimis.org/js/ckfinder/userfiles/files/80261782017.pdfIn PDF document text
  • http://bkdesign.ee/userfiles/file/9438115789.pdfIn PDF document text
  • http://clean-ecology.com/Upload/files/bodotuziji.pdfIn PDF document text
  • https://hzautomatisering.nl/userfiles/file/daxizixiri.pdfIn PDF document text
  • http://sancheonglittletheaters.com/upload/userfiles/2021/09/files/210911133026.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/5igi0j40hrs331suplbvhhot71/4593211801.pdfIn PDF document text
  • http://wolfpackbasketballacademy.com/content_docs/87705973340.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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