Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=bpsc+syllabus+pdf+download PDF link annotation

  • http://sunnyten.net/userData/board/file/kufufiwokufejid.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/751d5807fc84878c6821aaee9f6fe0d2/65888697322.pdfIn PDF document text
  • http://birnagarcollege.in/userfiles/file/85738006070.pdfIn PDF document text
  • http://datavincity.com/uploads/ckfinder/files/fenomumasuv.pdfIn PDF document text
  • https://98ing.com/upload/ck/files/20210705_064735.pdfIn PDF document text
  • https://rajaunited.com/contents//files/mixipegupikusiw.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/d93cce8e1c28be466561a5aca8225a53/gatajawosasaraz.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2e9bfc0ebc---16829277671.pdfIn PDF document text
  • https://speak82.com/_UploadFile/Images/file/46113499874.pdfIn PDF document text
  • http://inciboya.com/resimler/site/files/79978392791.pdfIn PDF document text
  • http://candemdientu.com/Images_upload/files/dogapututaxekejagaxosovul.pdfIn PDF document text
  • https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/67ed808379488247f890f03762e56888/panapamofonigivokazoje.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/mns6kmhq4l3ovbktfe9096gne7/14009885394.pdfIn PDF document text
  • https://fultoys.com/userfiles/99032040457.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/0788e5f6edb67363f42d3f163452a255/85581123109.pdfIn PDF document text
  • https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/74559eb59f3e44d896868ee7d734ebbe/fajufanubum.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/hak1g8eqdpaqj9i35f92asu2ih/95201566815.pdfIn PDF document text
  • https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/ce19c758b7efeac86ff49f56e1a97a2f/83766182000.pdfIn PDF document text
  • https://praward.tw/wp-content/plugins/super-forms/uploads/php/files/9c568d149f178770fa340a32088a53da/22657013657.pdfIn PDF document text
  • http://eco-versute.com/app/webroot/ckfinder/userfiles/files/55082038220.pdfIn PDF document text
  • http://vvk-wiedermann.at/userfiles/file/20703645408.pdfIn PDF document text
  • https://drisraadentalcenter.com/userfiles/file/26323284818.pdfIn PDF document text
  • https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/160effc98b1ab9---54742771730.pdfIn PDF document text
  • http://orem.mn/uploads/files/19114736131.pdfIn PDF document text
  • http://ivelinabozilova.com/userfiles/file/65832059821.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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