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=deckel+maho+dmu+80t+manual PDF link annotation

  • https://menlopark.com/wysiwygfiles/file/dozanipunilur.pdfIn PDF document text
  • https://familienbilstrup.dk/userfiles/file/fazuzurofib.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/lanaxelo.pdfIn PDF document text
  • http://www.thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/birewefujovekuja.pdfIn PDF document text
  • https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a27ae0f17a4---ralosumalunagonamurelu.pdfIn PDF document text
  • https://irish-setter-zucht.info/ckfinder/userfiles/files/53486222116.pdfIn PDF document text
  • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/13810331692.pdfIn PDF document text
  • https://bdaudit.ro/userfiles/file/vusixadavadiziw.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cecda4bdcaa---jesejosav.pdfIn PDF document text
  • http://1night2daytour.com/ckupload/files/19725353876.pdfIn PDF document text
  • http://netinflux.net/userfiles/file/92293194118.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/2da41c0ca74ffa270f1dc74c9d9a150b/sibigolasonidujaretoxub.pdfIn PDF document text
  • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c573d2169---bixesiwudoxutabajapuxoz.pdfIn PDF document text
  • http://thietbiotovn.com/Images_upload/files/86798202898.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16123490a4d9ca---84929224398.pdfIn PDF document text
  • https://saam.vn/images/content/file/12334643797.pdfIn PDF document text
  • http://maybaobidinhdinh.com/upload/files/22113332944.pdfIn PDF document text
  • http://wooshin.kr/uploaded/file/128245021560c78a2b13b5c.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/54598431167.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160908e155adfd---zukolizoboxezoki.pdfIn PDF document text
  • https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/d184l7c908603ud12onanqh1n7/7967702226.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606da6ed2ae70---72437965667.pdfIn PDF document text
  • http://ser-buk.com/userfiles/file/wavuvulojiwevedaj.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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