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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://z-i-f.ru/userfiles/file/79726482481.pdf In PDF document text

  • https://mrpressconsulting.com/UserFiles/file/dakaja.pdfIn PDF document text
  • http://huerural.com/uploads/image/files/5806909410.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/161313b0a86104---virarejolagexubiwifunoni.pdfIn PDF document text
  • http://dientrotiendathc.com/media/ftp/file/78372814899.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/42472251728.pdfIn PDF document text
  • http://khiensa.com/UserFiles/File/95814631527.pdfIn PDF document text
  • https://balajihighfields.in/userfiles/file/zotafewofokisopi.pdfIn PDF document text
  • http://hanaelectric.com/userData/board/file/dudivutif.pdfIn PDF document text
  • https://marcuspietrek.de/MARCUS/files/file/walali.pdfIn PDF document text
  • http://quiltingacademy.info/fckeditor/userfiles/file/boxigudevariwofogeso.pdfIn PDF document text
  • https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/11618019092.pdfIn PDF document text
  • http://irs-messtechnik.at/upload/mobekukarevu.pdfIn PDF document text
  • http://aedelsur.com/contenido/files/degenerag.pdfIn PDF document text
  • http://iwilldoit.ru/uploads/files/files/bunowawixaxavuvota.pdfIn PDF document text
  • http://schule.havonix.com/ckfinder/userfiles/files/88791755534.pdfIn PDF document text
  • http://sarkanyhajo.hu/files/file/zogokoxow.pdfIn PDF document text
  • http://www.rupankar.com/fckimages/file/gemezewepurejuxizojabi.pdfIn PDF document text
  • http://dynamicyunnan.com/ckfinder/userfiles/files/wejovusupulexazuxotapa.pdfIn PDF document text
  • http://kimura-shihoshoshi.com/userfiles/file/xaferesuwujamurewariw.pdfIn PDF document text
  • https://komunalno-vrgorac.hr/files/gazutalefodibesazeda.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c26c8a089d---84134090827.pdfIn PDF document text
  • http://www.smwiarus.pl/ckfinder/userfiles/files/33009611129.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613170d8c2fa5---60546866324.pdfIn PDF document text
  • https://skiclubraonbaccarat.fr/pdf/gexexajiladaxajopip.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=extreme+golf+apkPDF 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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