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://inwebjor.ru/uplcv?utm_term=pole+transfer+function PDF link annotation

  • http://dallard.fr/ressource/site-image/files/97716962992.pdfIn PDF document text
  • https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/d6433c4550cd80292f60c94127a6867e/wasiwatal.pdfIn PDF document text
  • https://iphone-odklep.si/vsebina/fazesitovuwubafas.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16153e4acc4ebd---51859946397.pdfIn PDF document text
  • http://the-bom.kr/upfile/files/95248317788.pdfIn PDF document text
  • https://hijaulumut.com/contents/files/doromuburomurafifuz.pdfIn PDF document text
  • http://ilturismoinitalia.it/userfiles/files/sesiru.pdfIn PDF document text
  • https://www.soroptimist.be/oldsite/intranet/ckeditor/ckfinder/userfiles/images/files/75758022172.pdfIn PDF document text
  • https://mcq.bmtinhoc.vn/InteriorWeb/images/images_news/files/36550033680.pdfIn PDF document text
  • http://hondaototanan.com/upload/files/poxubig.pdfIn PDF document text
  • http://tareeapartment.com/user_img/files/23809158128.pdfIn PDF document text
  • https://thietkewebseo.com/webroot/img/files/sizegemiremubamago.pdfIn PDF document text
  • http://yds-wcv.jp/free_images/files/fogev.pdfIn PDF document text
  • http://akcihlar.cz/userfiles/file/23541567824.pdfIn PDF document text
  • http://braghieriarchitettura.com/userfiles/files/xejisafivufekak.pdfIn PDF document text
  • http://businessvaluationapp.com/fck_files/file/dowitibagojiwibuma.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cfea858727---fazobusiluvu.pdfIn PDF document text
  • http://starma.pl/files/file/83376121694.pdfIn PDF document text
  • http://www.iuoelocal870.com/kaizen/ckfinder/userfiles/files/65448001072.pdfIn PDF document text
  • http://krcatikyonetimi.com/userfiles/file/54057163568.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/4c07726769eeef466fb945e370cd20f0/sowufaziworepaxinip.pdfIn PDF document text
  • https://semineebrasov.ro/printuri-fi/files/79799135726.pdfIn PDF document text
  • http://bapassamarinda.id/assets/ckfinder/core/connector/php/uploads/files/jizikuluvejevubew.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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