Malicious PDF — malware analysis report

Heuristics 8

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://mygoaltv.com/ipp/images/uploads/files/73834810659.pdf In PDF document text

  • http://niengrangchuyensau.com/upload/contentFile/file/wopawukabasidojik.pdfIn PDF document text
  • https://adoz.cz/ckfinder/userfiles/files/81483799673.pdfIn PDF document text
  • https://dwitunggaljaya.com/sitefiles/file/kixivejubadimibavulu.pdfIn PDF document text
  • http://ez-surveying.com/htdocs/cljr/data/files/wikenakepemap.pdfIn PDF document text
  • http://iccj.jp/images/uploads/fckeditor/file/pudulomavakumuduvigu.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/161450989ecf94---venurigogeriloja.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/161341632551aa---96784955211.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/5882a02c159e418a7c70f7de69097ba9/zajafuvosiribusebokawanu.pdfIn PDF document text
  • https://motecx.com/images/file/19861520014.pdfIn PDF document text
  • https://hunghiephuylog.com/upload/files/97902620252.pdfIn PDF document text
  • http://iucecb.com/files/file/74627453394.pdfIn PDF document text
  • http://frangarcia.eu/upload/file/nemoresarurijajoroxada.pdfIn PDF document text
  • https://jeneifogaszat.hu/cikkdata/files/38446926398.pdfIn PDF document text
  • http://duocthientam.com/uploads/ckfinder/files/lanexusukubevebiv.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/948aad0605f29b9060f2fc0c48e33770/81828991143.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/c06eb71be7b547a82c67e0ec5f47fbec/35317430331.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/gaxudenabazisegexemadezul.pdfIn PDF document text
  • http://panda-es.tokyo/yamituki-n/uploads/files/dezusanuw.pdfIn PDF document text
  • https://jackinthegymtpe.com/uploads/files/202109082219241091.pdfIn PDF document text
  • http://goldsunjsc.com/upload/files/60342219227.pdfIn PDF document text
  • https://jeneifogaszat.hu/cikkdata/files/kemozulimi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=criar+conta+play+store+androidPDF 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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