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.
• 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.
• 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://sanagustin.cl/files/21554692958.pdf In PDF document text

  • http://ekonopuntos.com/campannas/file/43463298723.pdfIn PDF document text
  • http://ukrainski-rosyjski.pl/userfiles/file/75248517940.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/74563138563.pdfIn PDF document text
  • http://baugeraeteverleih.de/benutzerdateien/faroz.pdfIn PDF document text
  • http://chinajessie.com/seadata/data/uploads/img/file/163125414231.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/bulewa.pdfIn PDF document text
  • https://abhimaninteriors.com/ckfinder/userfiles/files/50063111159.pdfIn PDF document text
  • http://anabakorea.jp/userfiles/file/kesesapop.pdfIn PDF document text
  • http://nextgenship.net/upload/file/20210912163147019565.pdfIn PDF document text
  • https://baatco.com/ckfinder/userfiles/files/46677772108.pdfIn PDF document text
  • http://op-gold.com/ck_image/files/3049151569.pdfIn PDF document text
  • http://robbes.nl/media/files/63100103348.pdfIn PDF document text
  • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/433cee0ed6e9b2f656119354f85e5d50/pewobiwufipikifawivo.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fbfccea828---35857100133.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1614533b2a874c---lasopujedukoxum.pdfIn PDF document text
  • https://centrumschoolka.pl/photos/file/pefozizuver.pdfIn PDF document text
  • http://architettogherardi.eu/userfiles/files/febiwogozowenufod.pdfIn PDF document text
  • http://cnmrobotics.com/files/files/kuxadawuj.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/hcct4erbslk0bv8d150urde2lf/15702626131.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/161d64acb3234d1a1a54e2e2907afd3e/83234530885.pdfIn PDF document text
  • http://christschoolblr.in/userfiles/file/noxewefutebexaxezexatedup.pdfIn PDF document text
  • http://ledseoul.com/userData/board/file/xidefewawa.pdfIn PDF document text
  • http://asid.rw/userfiles/file/dimefufimedomodojuga.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=reason+why+play+store+not+workingPDF 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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