Malicious PDF — malware analysis report

Heuristics 9

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://inwebjor.ru/uplcv?utm_term=tubidy+music+download+mp3+song+for+free+download+mp3+download PDF link annotation

  • http://prosquash.by/data/vasojipazat.pdfIn PDF document text
  • http://msnladyboy.com/ckfinder/userfiles/files/mirekemejarapamefuj.pdfIn PDF document text
  • http://thingsantiquesla.com/userfiles/files/wuzelonikokedalat.pdfIn PDF document text
  • https://strechybenesov.cz/content/tujaguzijujorizarosabe.pdfIn PDF document text
  • https://worldmedglobal.com/userfiles/files/dadubeg.pdfIn PDF document text
  • http://nenorm.com/files/files/nedexibisodovokifejime.pdfIn PDF document text
  • https://dentalrud.com/userfiles/file/62865865631.pdfIn PDF document text
  • http://xn--54-dlcdkamdj4btild5b.xn--p1ai/ckfinder/userfiles/files/jizamepaniva.pdfIn PDF document text
  • http://jimsclub.net/new/board/img_tinfo/file/20210903210127.pdfIn PDF document text
  • https://cv-vezouze.fr/media/file/84146164468.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/0214ace049de71bc3f546b4a0575afe0/21835006849.pdfIn PDF document text
  • http://kids-ex.com/images/blog/file/jumom.pdfIn PDF document text
  • https://vendax.ro/files/file/50611813174.pdfIn PDF document text
  • http://www.saaegfpolis.org.br/ckfinder/userfiles/files/pifodibuwoxawafojiduriwez.pdfIn PDF document text
  • https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613737186c2bb---28006514779.pdfIn PDF document text
  • http://ameshamagazine.com/js/upload/files/jokugiduxitunixibaxez.pdfIn PDF document text
  • https://4cmedica.com/ficheiros_upload/file/8095326378.pdfIn PDF document text
  • http://savitaco.com/uploads/images/files/lepixinafogiredofogovixef.pdfIn PDF document text
  • http://jinruily.com/UploadFile/file/20210915183943321.pdfIn PDF document text
  • http://bolshunoff.ru/images/wysiwyg/file/20172555184.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/82731d08453dde375986146867899b81/49067805733.pdfIn PDF document text
  • https://cottonweb.net/userfiles/file/wizutiloxazejo.pdfIn PDF document text
  • https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/babijez.pdfIn PDF document text
  • http://195exim.com/datas/files/jubawagarizevazolariwi.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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