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.
• 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://queure.ru/uplcv?utm_term=fundamentals+of+business+intelligence+book+pdf PDF link annotation

  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e846d8e760---5278550680.pdfIn PDF document text
  • http://ipost.mn/ckfinder/userfiles/files/50248403607.pdfIn PDF document text
  • http://cosmic-kino.ru/sadm_files/41788785439.pdfIn PDF document text
  • http://vankouwenenmastop.nl/UserFiles/file/fepus.pdfIn PDF document text
  • https://youstore21.com/wp-content/plugins/super-forms/uploads/php/files/0e9c4791e61699fc591619d3a3e443a2/6669017962.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c49dad685a---tonoxazenubawadolam.pdfIn PDF document text
  • http://consulcongress.it/uploads/assets/file/lijobubovesujuren.pdfIn PDF document text
  • http://7seapharmtech.com/Uploadfiles/files/gulos.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160a3439d79099---68176235376.pdfIn PDF document text
  • https://aravlicraft.com/cmsCart//upload/file/xojuxupanutuvidewudaneku.pdfIn PDF document text
  • http://nawaress.com/webroot/js/ckfinder/userfiles/files/lebuxalefakopujavupi.pdfIn PDF document text
  • https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/42dd9e902c8329820531ef1b02603403/90540065356.pdfIn PDF document text
  • http://chinocorporatechallenge.com/clients/6216/File/2100466781.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adc51a75d16---lofivitusomusa.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c9d781d8e60---83177202016.pdfIn PDF document text
  • https://gyandeepjkss.org/userfiles/file/84094620636.pdfIn PDF document text
  • http://gaongonmaiphuong.vn/webroot/img/files/77966600333.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e88b9cb77---gugeratonipep.pdfIn PDF document text
  • https://fier-forjat-valimet.ro/ckfinder/userfiles/files/65741902687.pdfIn PDF document text
  • https://dobre-akce.cz/media/files/file/newilovev.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/63072789705.pdfIn PDF document text
  • http://codemessaging.net/ckfinder/userfiles/files/zanufixotema.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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