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) 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://queure.ru/uplcv?utm_term=how+to+send+an+audio+message+on+android PDF link annotation

  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ee9229999c---32917441828.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161362bdcb9c3d---worix.pdfIn PDF document text
  • https://hoangvan.vn/wp-content/uploads/files/rowabaweridagovop.pdfIn PDF document text
  • http://cityfate.com/files/files/92513820650.pdfIn PDF document text
  • http://ambulatorioveterinariorigolon.eu/userfiles/files/13351274522.pdfIn PDF document text
  • http://www.depomatrial.com/file/71397793862.pdfIn PDF document text
  • http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/32353612054.pdfIn PDF document text
  • http://antonellascarpittadesigner.it/userfiles/files/fibamiladuvugifafaj.pdfIn PDF document text
  • http://saatgaamkansarasamaj.com/admin/uploads/files/xegunorekonovumixulonasu.pdfIn PDF document text
  • https://triosms.com/userfiles/file/jonide.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613f793c882a0---78535194242.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613343ec1ee52---71971286907.pdfIn PDF document text
  • https://sitpchemcieszyn.pl/_sitpchem/file/dataxe.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4s9i784ljc1ks2btukqr6pela3/suvenuru.pdfIn PDF document text
  • https://ibexquimica.com.br/ckfinder/userfiles/files/69262484405.pdfIn PDF document text
  • http://wu-pao.com/upfiles/editor/files/difumekotegijejo.pdfIn PDF document text
  • http://rainhouse.kr/data/editor/file/433503315613ae33a54cbb.pdfIn PDF document text
  • http://encino.ilovepokebar.com/uploads/files/50551548927.pdfIn PDF document text
  • http://hiredriver.com/uploads/assets/files/denonefagonuw.pdfIn PDF document text
  • http://www.liveartsaskatchewan.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346d896e7b4---sibetaruperinuzojop.pdfIn PDF document text
  • http://tarnava.eu/user_images/file/4650431830.pdfIn PDF document text
  • http://fujiya-burbank.com/uploads/files/lamukebavotuw.pdfIn PDF document text
  • http://adhdesign.de/userContent/files/20210920130118-jizonok.pdfIn PDF document text
  • https://callmarkinvestments.com/callmark/files/xinabo.pdfIn PDF document text
  • http://strelnicebudejovice.cz/userfiles/file/21850696852.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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