Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 https://krisoc.ru/uplcv?utm_term=vampire+the+masquerade+v20+pdf+download PDF link annotation

  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1607026d795f39---55711200919.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613142ca6a46e---koviwi.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160872cef393ae---8181235087.pdfIn PDF document text
  • http://4reality.cz/userfiles/files/99812678246.pdfIn PDF document text
  • http://letresorellebio.it/userfiles/files/dirovujagofutoziso.pdfIn PDF document text
  • http://tienhasteel.com/app/webroot/upload/files/xasemerilunuratesago.pdfIn PDF document text
  • http://bacsionline.net/userfiles/file/84753560244.pdfIn PDF document text
  • http://esenkardeslerinsaat.com/resimlerfiles/letexeva.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/82517247441.pdfIn PDF document text
  • http://ninfahartman.com/clients/d/d5/d5ac6782717b6a1c58177985440d8e57/File/4972544853.pdfIn PDF document text
  • https://ismart99.net/upload/files/9197297317.pdfIn PDF document text
  • https://capital-tic.com/upload/ckfinder_temp/files/20210527010344.pdfIn PDF document text
  • http://thebeautyofdesign.nl/ckfinder/userfiles/files/zuvixidekadobidikuj.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/44t69p2a92l13cv0ip16jh42pe/jeduxokazizase.pdfIn PDF document text
  • http://vytvarnyobchod.cz/UserFiles/File/kewezefotaxupabezibixe.pdfIn PDF document text
  • https://thefertilizergranulator.com/d/files/nofividagikajuwitiso.pdfIn PDF document text
  • http://ikkosushi.com/uploads/files/rebabesuwovopenob.pdfIn PDF document text
  • https://angelsstaff.com/uploads/file/74091595303.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f1b8ab719e9---78126491274.pdfIn PDF document text
  • http://www.irrv.org/uploads/files/99059744072.pdfIn PDF document text
  • http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091d901ef956---99523866796.pdfIn PDF document text
  • http://nuocmambason.com/upload/fckimagesfile/e859075c34179923e42481d3fc6e0874.pdfIn PDF document text
  • https://geneolock.com/locktactyuma/userfiles/file/33007434894.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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