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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://medvor.ru/uplcv?utm_term=cheat+uc+pubg PDF link annotation

  • http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/65708083354.pdfIn PDF document text
  • http://biosafety.biz/ckfinder/userfiles/files/42609610725.pdfIn PDF document text
  • http://daugiavanthienphuoc.com/media/ftp/file/gebeku.pdfIn PDF document text
  • http://tochuchoinghi.org/files/80142319510.pdfIn PDF document text
  • https://akvanova.ru/sites/default/files/9487459490.pdfIn PDF document text
  • https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/60a63a1a903bec484425f3384d1064d3/rorudomomirusubede.pdfIn PDF document text
  • http://quiltingacademy.net/fckeditor/userfiles/file/wolakezufametosop.pdfIn PDF document text
  • http://devitohomesorlando.com/userfiles/files/73818845962.pdfIn PDF document text
  • http://matchedtubes.de/userfiles/file/bosotugusetanixeji.pdfIn PDF document text
  • https://willes-gb.com/uploads/files/202109041051243458.pdfIn PDF document text
  • https://reviewz.eu/app/webroot/files/userfiles/files/veroxolijewaxaluwilikebo.pdfIn PDF document text
  • http://kmbb.at/userfiles/file/3169682528.pdfIn PDF document text
  • http://aajude.pt/backoffice/ckfinder/userfiles/files/61633302156.pdfIn PDF document text
  • https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/6a169da42cb03cd2785bf203e2c84eb6/97800769761.pdfIn PDF document text
  • https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/9f7664b7baac9f73584d4399f2c9a82b/retij.pdfIn PDF document text
  • https://sluganarodu.org/userfiles/files/mawaxes.pdfIn PDF document text
  • http://ondamarinarest.com/upload/files/4250723486.pdfIn PDF document text
  • https://at1apigroup3.com/contents/files/xamixikofagisopevuser.pdfIn PDF document text
  • http://boxshop.mn/userfiles/files/68117419500.pdfIn PDF document text
  • http://pvvc.cz/files/wijulomakeb.pdfIn PDF document text
  • https://sunwayhk.com/louis/STARKGROUP/ckfinder/userfiles/files/lipegorozotow.pdfIn PDF document text
  • http://ejmk.com/ej/upload/files/sotomewojefu.pdfIn PDF document text
  • http://fonnepal.org/userfiles/file/72567766617.pdfIn PDF document text
  • http://www.ville-dammarie.com/ckfinder/userfiles/files/gupupowisipawalimoxaz.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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