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://medvor.ru/uplcv?utm_term=die+hard+4+actors PDF link annotation

  • http://net-marketing.hu/images/files/rafitozusejidekapazu.pdfIn PDF document text
  • http://merwepizza.com/upload/file/5679610193.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d3e0741fb---benaxu.pdfIn PDF document text
  • http://branpc.in/ckfinder/userfiles/files/27095793878.pdfIn PDF document text
  • http://bdsductri.com/upload/files/xugoj.pdfIn PDF document text
  • http://sithome.com/upfiles/file/20210906005949.pdfIn PDF document text
  • http://lex-ter.ru/admin/ckfinder/userfiles/files/6502759969.pdfIn PDF document text
  • http://esllearningbydesign.com/app/webroot/files/file/18295410134.pdfIn PDF document text
  • http://camdohungdung.com/upload/files/91732229704.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/1ab6d15526d228ef9e1ee156af1dce90/vafegoziw.pdfIn PDF document text
  • http://skinct.com/upload_file/file/Fl202109031212484174.pdfIn PDF document text
  • https://intekcanada.com/ckfinder/userfiles/files/41808308023.pdfIn PDF document text
  • http://cbcom.fr/ressource/site-image/files/96890817463.pdfIn PDF document text
  • http://akwarella.pl/user_uploads/file/48896981807.pdfIn PDF document text
  • http://ux02.wadhost.com/js/ckfinder/userfiles/files/73847651956.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16142e38612d4f---zefikibinezebot.pdfIn PDF document text
  • http://ulleungroadtour.com/FileData/ckfinder/files/20210905_7AC3C44524BAD507.pdfIn PDF document text
  • https://herfection.herfection.tw/upload/ckfinder_temp/files/20210902195826.pdfIn PDF document text
  • http://torby.kbo.pl/ckfinder/userfiles/files/58899973160.pdfIn PDF document text
  • http://gr-chem.com/upload/files/gorosigabazefurajajodiri.pdfIn PDF document text
  • https://asiahealthcaredentalcentre.com/ckfinder/userfiles/files/kedimuxuvawupej.pdfIn PDF document text
  • http://montpellier-businessplan.com/mbp/upload/images/images/upload/ckfinder/waborigogogegijafese.pdfIn PDF document text
  • http://divapharma.com/uploaded/file/573485714.pdfIn PDF document text
  • https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/e22d1a6f3ee9290c8ace0d402218cc5f/98840952595.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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