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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://synerhu.ru/uplcv?utm_term=what+is+the+verb+form PDF link annotation

  • https://theurbanthinktank.com/files/13871591595.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/3d9f4f94e1b563a75d07ee38b177652e/kopijorevanu.pdfIn PDF document text
  • http://www.premiumimport.nl/ckfinder/userfiles/files/76433428347.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142f1294115f---11284652984.pdfIn PDF document text
  • http://tsrmmessina.it/userfiles/files/vawenuzav.pdfIn PDF document text
  • http://www.village-gaulois.org/gestion/ckfinder/userfiles/files/99393470135.pdfIn PDF document text
  • http://3mfa.com/images/editor/files/rikoj.pdfIn PDF document text
  • http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/2932262804.pdfIn PDF document text
  • http://taaltoetsvo.nl/userfiles/file/22520742030.pdfIn PDF document text
  • http://gabinetortodontyczny.eu/userfiles/file/zupaperapubutulabarazuj.pdfIn PDF document text
  • https://suthuytinh.com/app/webroot/uploads/files/60227749653.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1615263eea1cca---58969332134.pdfIn PDF document text
  • http://nemdanangpho.com/uploads/2021-09-06/images/files/vutilizipixilasil.pdfIn PDF document text
  • http://martonelektro.hu/files/file/rodaposofimeselasa.pdfIn PDF document text
  • http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/runawofuz.pdfIn PDF document text
  • https://suncables.co/images/file/xumasorukiwuzovuj.pdfIn PDF document text
  • https://b7b.reviewz.eu/app/webroot/files/userfiles/files/78534509329.pdfIn PDF document text
  • http://nationshield.ae/userfiles/files/20651709088.pdfIn PDF document text
  • http://lilipoupoli-drama.gr/lilipoupoli/js/ckfinder/userfiles/files/32543192097.pdfIn PDF document text
  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/575htr8a1oaco6v3pq93r5m057/98342972537.pdfIn PDF document text
  • https://www.tvmreza.tv/ckfinder/userfiles/files/30700433465.pdfIn PDF document text
  • https://piauiaqui.com/ckfinder/files/32173104231.pdfIn PDF document text
  • https://marathonblainville.com/userfiles/files/movimizadijutev.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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