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://allytemp.ru/uplcv?utm_term=all+linux+os+list PDF link annotation

  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/82b64103d7e86a8ecbcbe0f93cc3ee38/vibugexifamedoxurobo.pdfIn PDF document text
  • https://ckmandarin.com/uploads/86775547354.pdfIn PDF document text
  • https://sudhirsachdevaclasses.com/ci/userfiles/files/musudusiw.pdfIn PDF document text
  • http://banquat.com/userfiles/files/14171757261.pdfIn PDF document text
  • http://bizbecho.com/pa/trainstation/uploads/image/file/36632818903.pdfIn PDF document text
  • https://bharatbiodiesel.com/userfiles/file/31894301462.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f23c4a2c1a---77772737522.pdfIn PDF document text
  • http://bundoreh.com/fckeditor/files/file/puzoxorikulodugaguxepov.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/nf2fcnte0fpfts1ipe8io5isu3/wavefab.pdfIn PDF document text
  • http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2106160946488877641fgxre.pdfIn PDF document text
  • http://isspskola.lv/userfiles/files/gowepax.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/77a62c4781221506c57c900e37dfcde2/17982465852.pdfIn PDF document text
  • https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608f9d1dd887d---waxesi.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16075a66806581---lozasawile.pdfIn PDF document text
  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160acf6b96428a---pegegokenov.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/nugejumozanatigasu.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad3af0e27b---durusetap.pdfIn PDF document text
  • http://greathorserider.com/ckfinder/userfiles/files/91100685751.pdfIn PDF document text
  • http://ruoumoc.com/upload/files/pisowubatojarovazuz.pdfIn PDF document text
  • https://advance-pack.com/editor_upload/file/navusajixi.pdfIn PDF document text
  • http://doorsatyrau.com/ckfinder/userfiles/files/97349521108.pdfIn PDF document text
  • https://obermeyer-modemarkt.de/upload/file/80229346614.pdfIn PDF document text
  • http://lbtech.kr/upfile/files/nasiveze.pdfIn PDF document text
  • http://takeacode.eu/user/d41d8cd98f00b204e9800998ecf8427e/file/52575882652.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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