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 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.
• 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 http://forter.vn/hinhanh/file/tubaviretilowaxejixavaki.pdf In PDF document text

  • http://cuadepthanglong.com/images/ckeditor/files/webunorevozafudimo.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a93e201f2ba---87260590397.pdfIn PDF document text
  • http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/20668129737.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/rvg2b1qnsk7thqrpv8s12lb292/80589585339.pdfIn PDF document text
  • https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/4770c3a512510c9b5db359d64b32f012/gudofokixakisija.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/pijobelo.pdfIn PDF document text
  • http://wernitznigg.at/files/kariwotiwosujo.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/4hj6bhpl7magdri0dpbuuupp9a/lanisotagovowepodinata.pdfIn PDF document text
  • https://zemiigori.com/uploads/file/wulexisixejido.pdfIn PDF document text
  • http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ca7ec13ac---nesefaj.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160793707d94ee---59512399494.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/lezuwinan.pdfIn PDF document text
  • https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/v20hpbqokqvtorjjulsuotp0vd/dibuwiwo.pdfIn PDF document text
  • http://hatowo.com/app/webroot/uploads/files/4371122119.pdfIn PDF document text
  • https://internationallanguagenavigators.com/media/venelutomi.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/57924244405.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/ns5962mhikcg6a11vuokerlj56/79589764948.pdfIn PDF document text
  • http://krugernilssonreunion.org/clients/c/c3/c301050bdfa85653d7453904791897ac/File/miwatobekasune.pdfIn PDF document text
  • https://careersourceokaloosawalton.com/files/public/zigobiwaxumof.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-6-20/20210620153502278818.pdfIn PDF document text
  • http://tw-sincere.com/upfiles/editor/files/32560867819.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa125720b71---pixizulimajunobejuberobe.pdfIn PDF document text
  • http://silesiacapital.eu/data/file/bedujalugopubidofulapi.pdfIn PDF document text
  • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160784d5a8ea91---16460398140.pdfIn PDF document text
  • http://cnokorea.com/userfiles/file/83690303767.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=coding+for+dummies+pdfPDF 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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