Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://crewmak.ru/uplcv?utm_term=download+pes+19+android PDF link annotation

  • http://autosoftware.company/autoresponders_images/files/talewizedomuv.pdfIn PDF document text
  • http://lexen.ca/userfiles/files/dolodanegebivesetol.pdfIn PDF document text
  • http://leadershipcareer.kr/fckeditor/_upload/file/kolikulu.pdfIn PDF document text
  • http://pc75.net/upfiles/file/1631179905.pdfIn PDF document text
  • https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/6b8e340e58c100211251a67a652238f1/dimamirafejewotiwa.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/vuremulonelalironarolig.pdfIn PDF document text
  • http://podolsk-kondicionery.ru/upload_picture/file/88762574390.pdfIn PDF document text
  • http://nigerseedindia.com/uploads/9070340577.pdfIn PDF document text
  • http://medob.org/SITE/files/editor/file/54642712502.pdfIn PDF document text
  • https://divetechmarine.com/contents/files/49178275656.pdfIn PDF document text
  • https://institutdesante.org/userfiles/file/wepukuditaturimumij.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/rq0c1k0qf6m3rv4ttrv86e6nci/tazupurejuvuvitaleleluw.pdfIn PDF document text
  • https://cpc-serbia.org/js/files/xutafapamun.pdfIn PDF document text
  • http://dreamsurgerycn.com/ckupload/files/dagurepirij.pdfIn PDF document text
  • http://radio-salsa.fr/php/rs/filesupload/file/32991314702.pdfIn PDF document text
  • http://etenindex.nl/images/uploads/gebin.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/bd843384252e08c7e36c778615e3e804/88417149682.pdfIn PDF document text
  • http://billagelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xudaj.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16144eea1ee7ae---63935512320.pdfIn PDF document text
  • http://intertermo.nl/userfiles/file/77561980357.pdfIn PDF document text
  • https://malabarmail.com/ckfinder/userfiles/files/42938533481.pdfIn PDF document text
  • http://mixline.ru/img/lib/file/51230414430.pdfIn PDF document text
  • https://euinsuti.uniluxgym.ro/app/webroot/files/userfiles/files/2035348851.pdfIn PDF document text
  • http://feuerwehrobrigheim.de/upload/files/fegopupovuwojidokoj.pdfIn PDF document text
  • http://caycanhtuyhien.com/uploads/image/files/zulatizajerimijewujotum.pdfIn PDF document text
  • https://roshnaai.com/ckfinder/userfiles/files/sojosogabekurapiloxe.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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