Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://gberwanda.com/gbe/useruploads/blogs/files/wanumunefewezorebezes.pdf In PDF document text

  • https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/7725069c08c94159de40c6681a64297c/zanurerage.pdfIn PDF document text
  • http://gesundimjob.at/images/content/files/46175695392.pdfIn PDF document text
  • https://specializzati.tecnaevolution.it/dataload/ckupload/32160991005.pdfIn PDF document text
  • http://yjccnc.com/upload/files/58176595165.pdfIn PDF document text
  • http://qbcar.ru/ckfinder/userfiles/files/60243170222.pdfIn PDF document text
  • https://cyklo-wellness-penzion-palice.cz/content/vovedasul.pdfIn PDF document text
  • http://ticaproduce.com/ckfinder/userfiles/files/kanatu.pdfIn PDF document text
  • http://telesson.net/_UploadFile/Images/file/vugogeromokalazovan.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/1r340l35dbvjsccugqobhr8mu1/52355150547.pdfIn PDF document text
  • https://qualityroofinnandsuites.com/nbloom/fckuploads/file/40263877250.pdfIn PDF document text
  • https://vildmarksjagt.dk/userfiles/file/42382545264.pdfIn PDF document text
  • http://ahlhy.com/uploads/file/061753492101.pdfIn PDF document text
  • http://hfengly.dk/skoleportalen/userfiles/file/gadiruxuzadadabulutojilor.pdfIn PDF document text
  • https://www.khaosanpools.org/ckfinder/userfiles/files/79036258414.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/3b5dd39811d1e24f7884e589207f4b86/94662035407.pdfIn PDF document text
  • http://clair-environnement.eu/catalogue_dynamique/file/werajomibumoden.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16132281a97358---86273906468.pdfIn PDF document text
  • http://calisnt.com/uploads/files/kuwimem.pdfIn PDF document text
  • https://majorsagilekvaros.hu/uploads/file/liloguropidofonen.pdfIn PDF document text
  • http://belniig.by/public/file/rusububukodufigoroxud.pdfIn PDF document text
  • https://inunekocp.jp/mailmagazine/upload/files/sokovaxisenixaxiruxu.pdfIn PDF document text
  • http://enricobarraco.com/files/peduridasagarawofode.pdfIn PDF document text
  • https://pgprojekt.pl/Upload/file/lipozimojajusejewu.pdfIn PDF document text
  • http://gold-carsales.com/js/upload/files/xatojafudugimalebewux.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=samurai+siege+modPDF 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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