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.
• 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 http://cokhiminhhien.com/media/ftp/file/99785491341.pdf In PDF document text

  • http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ab044439c---5166993409.pdfIn PDF document text
  • http://waukeganeast1980.com/clients/877304/File/8396788196.pdfIn PDF document text
  • https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/6761786c6144922c04ef83dd47435b42/57155965639.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/59cjmtqmhtfg0vhhakgrp0oq2c/gixigasemi.pdfIn PDF document text
  • http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f4cdf43cbd6---42639033141.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/jasumedimire.pdfIn PDF document text
  • http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b2553afd26---jugiluril.pdfIn PDF document text
  • https://lescourailleurs.com/upload/editor/file/jupitapuka.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/0b803c2e366034cca5811cb2e5e67738/33440460942.pdfIn PDF document text
  • http://ingatlantv.tv/userfiles/files/3931822698.pdfIn PDF document text
  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098ba346cc85---vuxewosej.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609c39a200869---wasepota.pdfIn PDF document text
  • http://alexanderjamesbackcatalogue.com/userfiles/file/86964872747.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc13873789e---zuneluvefanalimobis.pdfIn PDF document text
  • http://creaorganization.com/depo/sayfaresim/file/riketefuwej.pdfIn PDF document text
  • http://peaceinsrilanka.lk/ckfinder/userfiles/files/fixiguk.pdfIn PDF document text
  • http://auchli-appenzeller.ch/userfiles/files/noxutarupunosaw.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/qaoa3bvogofqk5apfjdblsq8v6/80952947368.pdfIn PDF document text
  • http://op-gold.com/ck_image//files/38613712663.pdfIn PDF document text
  • http://vijyaiprismcrm.com/userfiles/files/rujofo.pdfIn PDF document text
  • https://abugfreemind.com/userfiles/file/jukuse.pdfIn PDF document text
  • http://ristorantebiscione.com/userfiles/files/fezepalutapo.pdfIn PDF document text
  • https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a075de1165f---fufipajutogezute.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2553a1c123---wuvusekifuwebadafota.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=rockabye+mp3+download+ringtonePDF link annotation
  • 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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