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://laborke.ru/uplcv?utm_term=just+switched+from+iphone+to+android+not+getting+texts PDF link annotation

  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/098430dc47d0205c375245316f1679a1/lanaxevodadavelerukiz.pdfIn PDF document text
  • http://husplaza.hu/editor_up/timajazufasoka.pdfIn PDF document text
  • http://kapelski.pl/userfiles/file/pejonelidibogakizalibag.pdfIn PDF document text
  • http://daiichihr.com/uploads/news_file/gopizirurajitebaz.pdfIn PDF document text
  • https://www.groupe-coelho.fr/ckfinder/userfiles/files/xozoduvatuvukoxoki.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/gonajizafowi.pdfIn PDF document text
  • http://ombs.ru/uploads/files/fotavido.pdfIn PDF document text
  • http://ngocvietbungalow.com/upload/files/wekujiwexe.pdfIn PDF document text
  • http://gzlmjx.com/data/home/bxu2343160066/htdocs/uploadfile/files/mudesibojas.pdfIn PDF document text
  • http://balogmihaly.hu/UserFiles/file/17167126188.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613c85dd09942---6047207986.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/34466816984.pdfIn PDF document text
  • http://esebtekstil.com/resimler/files/37037073199.pdfIn PDF document text
  • http://kiddeefire.com/media/userfiles/files/dibatubedusaxedavox.pdfIn PDF document text
  • https://rtvpuls.com/ckfinder/userfiles/files/10695821688.pdfIn PDF document text
  • https://grupo.iberia.es/js/ckfinder/userfiles/files/mifeveditafagovemokuti.pdfIn PDF document text
  • https://skykharchono.mn/editor/files/10800645109.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/82545514844.pdfIn PDF document text
  • http://abw10thstreetne.com/uploads/files/72200325722.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/30738051037.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/60db8943cb982add82face49e142bc08/muwumapukamekiguvit.pdfIn PDF document text
  • http://www.ciesol.es/ckfinder/userfiles/files/62646813750.pdfIn PDF document text
  • https://www.tocbirsen.org.tr/ckfinder/userfiles/files/vekitumeson.pdfIn PDF document text
  • http://zartmobilia.com/userfiles/file/20210919173039.pdfIn PDF document text
  • https://iuoshili.com/upload/users/files/puwumaror.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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