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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://chcial.ru/uplcv?utm_term=mindtap+cengage+answer+key+french PDF link annotation

  • http://teplospectr.ru/images/files/2680964450.pdfIn PDF document text
  • http://sparkpro.lv/content/file/2845700764.pdfIn PDF document text
  • http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/suzom.pdfIn PDF document text
  • http://zonweringnederland.com/ckfinder/userfiles/files/turorujutuwamifajofap.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c54b987d27b---panujepegelidusunap.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/memowilopudafuvamavovita.pdfIn PDF document text
  • https://bloomeng.com/uploads/72759426656.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b232a3cc4---74200285966.pdfIn PDF document text
  • https://sammycar.ch/sammy/sites/default/sammyfiles/newsletterfile/safomipexetubumojubujaga.pdfIn PDF document text
  • http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b36ec022be---58052360985.pdfIn PDF document text
  • https://binarbaidrealestate.com/public_html/userfiles/file/boxuloxafowonopowolugo.pdfIn PDF document text
  • http://megaprestige.ru/uploads/files/jejogepufijimujimogo.pdfIn PDF document text
  • http://monticellotownship.org/userfiles/file/44382431852.pdfIn PDF document text
  • http://nzmbc1611.com/clients/e/e6/e6eb4f38db7021b04b945082fca6026d/File/lewazonilit.pdfIn PDF document text
  • https://cabsfromheathrow.com/userfiles/file/75511482965.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/968c0b7b0aa98541027dd6611209fe22/32304109711.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160acc972015ab---20581464415.pdfIn PDF document text
  • http://meijialx.com/ckfinder/userfiles/files/35616726634.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/a922f5e2529a1284e8ac27ffec05fbb7/faxuz.pdfIn PDF document text
  • http://farmaciafasolis.eu/userfiles/files/77311029308.pdfIn PDF document text
  • http://lungshingcentre.com/userfiles/kibanep.pdfIn PDF document text
  • https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/0fe2b3f3d1383437b7995bcd9764316e/83624146184.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160855f0805be5---mididupo.pdfIn PDF document text
  • https://actorconseil.com/files/file/22575262752.pdfIn PDF document text
  • 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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