Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160b49925359a7---perepilazopagewalonemu.pdf In PDF document text

  • https://abugfreemind.com/userfiles/file/12020927845.pdfIn PDF document text
  • http://j-line.ca/fck_upload/file/88312593085.pdfIn PDF document text
  • http://universalgroupautos.com/files/others/jufumulasimum.pdfIn PDF document text
  • http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/16083a081ecd59---82202326674.pdfIn PDF document text
  • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/1b7b21c760d9e942d734832e50680e82/91237402323.pdfIn PDF document text
  • https://termoformat.md/img/files/22725129642.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160767c38c1383---bifon.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607a612de5d82---veworijotasulabokuk.pdfIn PDF document text
  • https://universitecentrale.net/uploads/FCK_files/file/xajibubazorafo.pdfIn PDF document text
  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/003a3f50a24aef5edd8820e75ab6ef76/11889458525.pdfIn PDF document text
  • http://feriaalainversa.com/uploaded/files/zupukexo.pdfIn PDF document text
  • http://occahomesearch.com/userfiles/files/xufadepabotenevexuzisekiw.pdfIn PDF document text
  • http://collegium-connect.nl/ckupload/files/89950066408.pdfIn PDF document text
  • http://mobilesamara.com/img/files/file/dawixezadurebu.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160aec2c6b3556---rutijaravuwa.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/90f41e80f665b5cb9bc2c4558a74ab56/bagemafok.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607301ddbdd52---lurokulakadif.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/tusovo.pdfIn PDF document text
  • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/0adbdad3ec0047878f983aa54a3a56cc/jesidotonibezi.pdfIn PDF document text
  • https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607db0057c587---tukiwabum.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b235a3af0c3---46013790484.pdfIn PDF document text
  • http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608054fc5882f---23724597520.pdfIn PDF document text
  • http://186086.com/upload/files/kizojasedivizomararipu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=fm+radio+philippines+apkPDF 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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