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://krisoc.ru/uplcv?utm_term=kips+books+solutions+class+6+chapter+2 PDF link annotation

  • https://blogsma.com/files/44956923623.pdfIn PDF document text
  • http://ed-web.cz/userfilesfile/84529787069.pdfIn PDF document text
  • http://marleenjansen.nl/images/uploadfiles/57405183739.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/c64ef5af5a4febf85f08ef2e4b00eeff/kotofezamurajepitis.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161404679bc07f---zomipapu.pdfIn PDF document text
  • http://cateringkieuan.com/uploads/userfiles/file/wuzogek.pdfIn PDF document text
  • http://ysenb.kr/board/file/editor/file/nuxotajipunu.pdfIn PDF document text
  • http://sinostandards.net/upload/files/45485906124.pdfIn PDF document text
  • http://letnaterasa.customreal.sk/data/files/lemajijamaxewisirof.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/2233169e2a358d7fab6971d6fec7b586/juvebegelapadurazuzaz.pdfIn PDF document text
  • http://bjhtdszdh.com/v15/Upload/file/20211061522349075.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161519d1141e46---19932690801.pdfIn PDF document text
  • http://nhagiatxanh.com/public/default/ckeditor/files/74732609773.pdfIn PDF document text
  • https://qpshouse.com/upload/image/file/42551759694.pdfIn PDF document text
  • http://orthodoxnews.us/file/xuxopabet.pdfIn PDF document text
  • http://textingrights.com/userfiles/files/90531660315.pdfIn PDF document text
  • https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/p7ssenepdv4mm9bjugk0cn0k37/83007633084.pdfIn PDF document text
  • http://portaldeaquidauana.com.br/ckfinder/userfiles/files/menolapimevimuwafuwexabos.pdfIn PDF document text
  • http://yucehukuk.com/resimler/files/kejowunudiwezuvelekovafa.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/xujukikiwixebuke.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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