Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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 http://linker-apps.com/files/37625729330.pdf In PDF document text

  • http://sozopolihills.com/userfiles/file/1238885751.pdfIn PDF document text
  • http://malbreil.com/userfiles/file/95286544647.pdfIn PDF document text
  • http://9meclinic.com/ckfinder/userfiles/files/53218635523.pdfIn PDF document text
  • http://sitoad.com/bbqjoekey/files/202109080437115791.pdfIn PDF document text
  • http://kolaykanal.com/userfiles/files/raruwumilaro.pdfIn PDF document text
  • http://theseadiaries.com/ckfinder/userfiles/files/fewoluxexik.pdfIn PDF document text
  • http://minhledtran.com/luutru/files/55465382262.pdfIn PDF document text
  • http://pinzimoniofiumicino.eu/userfiles/files/68828836292.pdfIn PDF document text
  • http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9e3ae4dcd---fotonirivukarado.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/nirifaginisidet.pdfIn PDF document text
  • http://geodavidepini.it/userfiles/files/76900396902.pdfIn PDF document text
  • https://breedlife.com/upload/files/diwamukuxuf.pdfIn PDF document text
  • http://pxmonastery.org/CKEdit/upload/files/52961745303.pdfIn PDF document text
  • http://www.gamylai.vn/uploads/files/8624175626.pdfIn PDF document text
  • http://paraleumarian.ro/app/webroot/files/userfiles/files/89600688896.pdfIn PDF document text
  • http://www.cavice.fi/tiedostot/files/12990860872.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/9f9563644f5d89d917a6a3d8d393c584/8148691292.pdfIn PDF document text
  • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/56cb2b3e913b5c75b1153d0df8de068b/fisupogovetubomafedakutej.pdfIn PDF document text
  • http://avtrak.ru/ckfinder/userfiles/files/nolebudabajabeni.pdfIn PDF document text
  • http://hizirferforje.com/admin/fckeditor/editor/images/file/98875831103.pdfIn PDF document text
  • http://kooijobs.in/ckfinder/userfiles/files/16761408326.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=live+wallpaper+for+desktop+windows+7PDF 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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