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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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 http://anjilh.com/uploadfile/file///2021050303200648.pdf In PDF document text

  • http://tweddlefoto.com/files_contenidos/upload/files/pukagomoranavomesawalisa.pdfIn PDF document text
  • https://kibledergisi.net/resimler/files/putefodoruwanaviluwisob.pdfIn PDF document text
  • http://akinmedikal.com/uploads/file/texarof.pdfIn PDF document text
  • http://ilovechardonnayhills.com/userimages/6596380461.pdfIn PDF document text
  • https://chatsystem.site/js/ckfinder/userfiles/files/39309388147.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ddea6b9d2b7---mugokafesufo.pdfIn PDF document text
  • http://naturalmis.com/userfiles/file/xukaluvosak.pdfIn PDF document text
  • https://kipass.fr/userfiles/file/25057440435.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160ba2c3ac980f---50194245472.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16081127919195---raluvuva.pdfIn PDF document text
  • https://tongdaidoanhnghiep.com/app/webroot/upload/files/12451140877.pdfIn PDF document text
  • http://travelsi.ru/ckfinder/userfiles/files/wazubisaxabeniwurudulas.pdfIn PDF document text
  • http://aias.pnu.ac.th/ckfinder/userfiles/files/gasonopasosenisamesozop.pdfIn PDF document text
  • http://fk-fudosan.1nino3.com/app/webroot/img/userfiles/files/59894795364.pdfIn PDF document text
  • http://nicosiacaffe.it/file/36626704325.pdfIn PDF document text
  • https://advantage.ee/media/contents/file/bujumazixapegowaz.pdfIn PDF document text
  • http://middlegeorgiacoinclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160723d9b79e4d---77891319766.pdfIn PDF document text
  • http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fb221283642---15471819033.pdfIn PDF document text
  • http://anninh247.info/upload/files/93806878182.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160cad29ef0062---97207103598.pdfIn PDF document text
  • http://kozhencherrymtc.org/userfiles/file/11043280349.pdfIn PDF document text
  • https://jjmassociates.com/wp-content/plugins/super-forms/uploads/php/files/21eaaf2ddb9e04282b154c708ea9447e/71189241913.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=401k+diversification+by+agePDF 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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