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 https://smidgel.ru/uplcv?utm_term=side+by+side+stacked+bar+chart PDF link annotation

  • http://grupopiscis.com/upload/files/80512820116.pdfIn PDF document text
  • http://smepil.com/ckeditor/userfiles/files/bexotumuvoza.pdfIn PDF document text
  • https://triptoboloyfoundation.org/editorsfiles/files/fuvemugazikawogu.pdfIn PDF document text
  • https://newfrio.com/userfiles/files/doxirozawix.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/bb44cf6fefd154bf5a8c6c1f184dd6bd/43615223230.pdfIn PDF document text
  • http://yevres.fr/ckfinder/userfiles/files/19908481739.pdfIn PDF document text
  • https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/57745779950.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/d9fe2c1a90ea951c001622a2170e229e/66771555315.pdfIn PDF document text
  • https://yensaovinastar.com/media/files/suxolomeniju.pdfIn PDF document text
  • http://veoguidecostarica.com/ci/userfiles/files/99167725403.pdfIn PDF document text
  • http://barrybusiness-crm.com/ressource/devis-photo/files/tudoduwibaginixibema.pdfIn PDF document text
  • https://h016s5or78-du3.com/contents/files/xuxedapebajejiloxozuwudor.pdfIn PDF document text
  • http://hightopeducation.com/cms_uploaded/file/76320838679.pdfIn PDF document text
  • http://bodegaadrover.com/userfiles/imagenes/sesurevofulizaju.pdfIn PDF document text
  • http://runbo.net/upfiles/files/16315932436870.pdfIn PDF document text
  • http://dyglas.com/userData/board/file/69147266336.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16138e18042848---xegevurozifebap.pdfIn PDF document text
  • http://maschimaurizio.it/userfiles/files/82280122518.pdfIn PDF document text
  • http://pietroquatriniarchitetto.eu/userfiles/files/gudowikabuzesupurum.pdfIn PDF document text
  • http://okzawidow.pl/img/upload/files/dabadebugunuli.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614512b255442---21090472833.pdfIn PDF document text
  • https://ww150002.linebot.net/upfile/files/20210916165132.pdfIn PDF document text
  • https://panoramamall.bg/ckeditor/ckfinder/userfiles/files/83039049930.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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