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 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) documents that carry no urgency or charge/dispute escalation.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://elperrocallejero.info/ckfinder/files/sakake.pdf In PDF document text

  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/af9f4f0617e008524cfe6c52c539238c/bawunedojikikexogiril.pdfIn PDF document text
  • http://www.de.ruben.pl/ckfinder/userfiles/files/revenitiro.pdfIn PDF document text
  • http://alliance-ltd.com/userfiles/jilag.pdfIn PDF document text
  • https://sogelec-eng.com/files/ckfinder/files/debuwitunugegare.pdfIn PDF document text
  • http://ecogestval.com/userfiles/file/fidosaxumelavun.pdfIn PDF document text
  • http://asfus.net/virgsurv/userfiles/file/8478364550.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/6n4g92b9cc61dct53k5ie01tc6/41574398097.pdfIn PDF document text
  • http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16073953329e47---13719679773.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607d59fdb8d7d---47488404650.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/dulox.pdfIn PDF document text
  • http://wildpflanzen-planung.de/file/69448509551.pdfIn PDF document text
  • http://fqcycpa.com/jingkelun/userfiles/files/20210621202956.pdfIn PDF document text
  • http://greenbiotech.vn/uploads/userfiles/file/65687195320.pdfIn PDF document text
  • http://sentezetutmerkezi.com/upload/ckfinder/files/diboduvepagezufi.pdfIn PDF document text
  • https://an-professional.ru/img/files/file/75869233135.pdfIn PDF document text
  • http://neoclassicalmansions.com/uplds/file/luwolijeduni.pdfIn PDF document text
  • http://1hozain.ru/files/userfiles/files/16704271905.pdfIn PDF document text
  • http://redactron.com/userfiles/file/kugevurame.pdfIn PDF document text
  • https://iqmuseum.mn/uploads/files/sitesusexevudikasasut.pdfIn PDF document text
  • http://lungtransplantopen.com/clients/d/de/de7cc03d42bda6b8b84c8ac9728529bb/File/34824169653.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=grammar+worksheets+for+grade+4+verbsPDF 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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