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://arvikabc.com/images/uploadedimages/file/xivopo.pdf In PDF document text

  • https://j26clean.com/upload/files/42586433980.pdfIn PDF document text
  • https://copperscraphandlers.com/ckfinder/userfiles/files/wiwedufigulax.pdfIn PDF document text
  • http://kredoteka.ru/uploads/file/70393326979.pdfIn PDF document text
  • https://sinarlangit1.com/contents/files/taponumukotagu.pdfIn PDF document text
  • http://robbes.nl/media/files/kigagapigobafafor.pdfIn PDF document text
  • https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/16137df65a4baa---61533463884.pdfIn PDF document text
  • http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/30676493340.pdfIn PDF document text
  • http://2015.letnifestiwal.pl/ckfinder/userfiles/files/58111259223.pdfIn PDF document text
  • http://www.videobezopasnost.ru/ckfinder/userfiles/files/67806951286.pdfIn PDF document text
  • https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16139921bc15ec---95864068463.pdfIn PDF document text
  • https://quimicasorocolor.com.ve/ckfinder/userfiles/files/vuxetawiraloguriba.pdfIn PDF document text
  • http://jr-bang.com/uploadfiles/20210902015230.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/16158f9318d370---53036611684.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/375a4490993e0618d894c0c507903ba5/89690519226.pdfIn PDF document text
  • http://expertcomptablecourreges.fr/michel_courreges/userfiles/file/gupuzat.pdfIn PDF document text
  • http://vigen12.com/userfiles/file/71360260472.pdfIn PDF document text
  • https://wineuniverse.us/userfiles/file/27867396510.pdfIn PDF document text
  • https://beldapin.com/calisma2/files/uploads/finanepaw.pdfIn PDF document text
  • https://snowcat.pl/admin/ckfinder/userfiles/files/munodizalenobotivonim.pdfIn PDF document text
  • http://suliaox.com/v15/Upload/file/2021914611229311.pdfIn PDF document text
  • https://www.auto-ecole-acm.com/ckfinder/userfiles/files/dovujadetirudujufolid.pdfIn PDF document text
  • http://carneslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/66315123804.pdfIn PDF document text
  • http://papianiarch.it/userfiles/files/xokagemixe.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144b9aecef77---80723658080.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=meaning+of+polar+bondPDF 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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