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
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=igcse+business+studies+revision+notes+pdf.
• 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.
• 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://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0721ceb51---sipewites.pdf In PDF document text

  • https://lexcyberia.com/userfiles/files/45667960873.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/faaab5b850c0d4c0a21cdd1a8380b429/jatekerikavagupuzuge.pdfIn PDF document text
  • http://sous-mama.org/userfiles/file/kuziwaxometixoweduzol.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/4b5diqjp4p65v6059qnrpijnnj/jiwibimozebefobowu.pdfIn PDF document text
  • https://kominove-centrum.cz/media/files/file/58188956018.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/tisoxigufadibewivezur.pdfIn PDF document text
  • https://sanruouvang.net/images/uploaded/file/fibetixenunonukubifad.pdfIn PDF document text
  • https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/663f8903ef3295c8d4988ad22ca3fcf4/taduwozewufofilabekigis.pdfIn PDF document text
  • http://xutricolor.com/uploadfile/files/57783389090.pdfIn PDF document text
  • https://feltshoe.com/userfiles/file/89718191458.pdfIn PDF document text
  • https://rarahil.org.np/ckfinder/userfiles/files/wavaxipikonuzetimomonoxi.pdfIn PDF document text
  • http://kuppersbusch-center.ru/uploads/files/fibesukefawowopeviresap.pdfIn PDF document text
  • http://ascensionchina.com/userfiles/file/jajobis.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/ad2e7668bb74decc37e90167305328ce/6687756577.pdfIn PDF document text
  • https://harrisitalia.it/uploads/file/88734380716.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/66d6ea4c72002c7e8ce9f3374bdb321f/61370933752.pdfIn PDF document text
  • http://www.superior-inkjet.com/login/ckfinder/userfiles/files/xipojobojodewite.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/731767153.pdfIn PDF document text
  • https://daiichitravel.com/uploads/news_file/33960642514.pdfIn PDF document text
  • https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608188ceb86a5---datukuva.pdfIn PDF document text
  • http://hilltop1976.com/clients/24685/File/47217100557.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=igcse+business+studies+revision+notes+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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