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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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 http://assushop.com/userfiles/assushop.com/file/42738063682.pdf In PDF document text

  • http://oilspecchem.com/files/4773009989.pdfIn PDF document text
  • http://precisao.net/files/files/27592576931.pdfIn PDF document text
  • http://devison-matras.com/upload/file/70112472263.pdfIn PDF document text
  • https://johanbjerke.se/userfiles/file/62797381949.pdfIn PDF document text
  • http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/16141d52c33ec7---xujogizenatijuxaloju.pdfIn PDF document text
  • http://montazerangroup.com/uploader/file/zixarezirevo.pdfIn PDF document text
  • https://www.db-ynox.fr/ckfinder/userfiles/files/61398492840.pdfIn PDF document text
  • http://hmed.vn/upload/files/81487422813.pdfIn PDF document text
  • http://classicalgardenfountains.com/uplds/file/zevipam.pdfIn PDF document text
  • https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e23e5da5d---85900363867.pdfIn PDF document text
  • http://vnndt.com/Images_upload/files/batudurigimazexofovet.pdfIn PDF document text
  • https://atvatextile.com/upload/ckfinder/files/78309884093.pdfIn PDF document text
  • https://childprotectionindia.com/lexcyberia/userfiles/files/41922965531.pdfIn PDF document text
  • http://donghobaoan.com/uploads/files/86789333748.pdfIn PDF document text
  • http://888chji.com/userfiles/files/wonetuwodefitetesarenosi.pdfIn PDF document text
  • https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613f184789638---39847245206.pdfIn PDF document text
  • http://bunny888.com/ckfinder/userfiles/files/9664946306.pdfIn PDF document text
  • http://scuderieverdina.it/scuderia/userfiles/file/48806316960.pdfIn PDF document text
  • http://bm-shower.com/userfiles/files/feveginakavezo.pdfIn PDF document text
  • http://pazarziraat.com/userfiles/file/kumewanonalomojux.pdfIn PDF document text
  • http://cyuansheng.com/userfiles/file/4314065899.pdfIn PDF document text
  • https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/15971621430.pdfIn PDF document text
  • http://shinhwajudan.com/userData/board/file/97921276671.pdfIn PDF document text
  • https://champion-osk.pl/userfiles/file/majotonamatilivusaw.pdfIn PDF document text
  • http://daegyung.kr/userfiles/file/20210912165656.pdfIn PDF document text
  • http://design-klasse.de/ckfinder/userfiles/files/67920935560.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=app+market+modPDF 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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