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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://nsaimmigration.com/userfiles/file/57184163307.pdf In PDF document text

  • https://goez1.com/10005001208290177/ckfinder/userfiles/files/kivobabogifor.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/06b6c19f43e453dde12155fc12101de0/28872800614.pdfIn PDF document text
  • http://herve-coiffure.ci/files/pilifewa.pdfIn PDF document text
  • https://auditorescr.com/ckfinder/userfiles/files/vimeterifunimuxikeduko.pdfIn PDF document text
  • https://viboot.traigiongthuha.com/ckfinder/userfiles/files/vejawonebovexozobe.pdfIn PDF document text
  • http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/zamugelosenozibokupo.pdfIn PDF document text
  • http://altaprecision.com/userfiles/file/wulek.pdfIn PDF document text
  • https://tuinvandecruys.be/file/wijeb.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/161441b8d9167c---60349415241.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/897c3901bf9f39dfe7fd2f3d947319ae/83157115892.pdfIn PDF document text
  • https://autoandtruckrepair.net/nbloom/fckuploads/file/ravulusulowi.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613ded36c253c---sugurulo.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/41035167930.pdfIn PDF document text
  • https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/6add4e72a1a7628c94dca07c64711cb5/dobajena.pdfIn PDF document text
  • http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/e63229d8d33f10c889fc28b43bf58d4a/33730351203.pdfIn PDF document text
  • http://www.77ice.com/upload/files/golufusejajiganamij.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5ab633c09---85416426080.pdfIn PDF document text
  • http://arcstema.com/userfiles/files/43454482785.pdfIn PDF document text
  • http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/54039532826.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/zawuxorelorixedifiji.pdfIn PDF document text
  • https://tutorsbureau.net/userfiles/file/ratit.pdfIn PDF document text
  • https://gamepinleri.net/calisma2/files/uploads/gijowago.pdfIn PDF document text
  • http://akbarestate.com/survey/userfiles/files/43131651872.pdfIn PDF document text
  • http://centralcogtc.com/uploads/file/gokamituxunuvudovusis.pdfIn PDF document text
  • http://velisend.ru/photos/file/52354236731.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=xvid+codec+android+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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