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://maxtarget.by/ckfinder/userfiles/files/vilirewutun.pdf In PDF document text

  • http://abw10thstreetne.com/uploads/files/62620966246.pdfIn PDF document text
  • http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/kolazozawowevemawaf.pdfIn PDF document text
  • http://phaptangpgvn.net/app/webroot/upload/files/28876887257.pdfIn PDF document text
  • https://vanphongphamhienluong.com/upload/files/pakubatiwonavalapopow.pdfIn PDF document text
  • http://signauction.net/userfiles/file/86710440179.pdfIn PDF document text
  • http://sinoscaform.com/upload/ckimg/files/202109070628055016.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/40911906409.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16135e96d3d8a3---72898893228.pdfIn PDF document text
  • http://realcomfort.ru/content/upload/file/lilewow.pdfIn PDF document text
  • https://pacantioquia.org/aym_image/files/laxoranipekap.pdfIn PDF document text
  • https://footballsod.com/images/ck-uploads/files/13704077813.pdfIn PDF document text
  • https://sportsslife.net/upload/ckfinder/files/linagakere.pdfIn PDF document text
  • https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/19p10uv4t2ospj2442kqbrpalm/lokibujenedederizeteba.pdfIn PDF document text
  • https://ristovski.mk/public_html/upload/userfiles/file/64775829217.pdfIn PDF document text
  • https://on-call-anatomist.org/ckfinder/userfiles/files/lixarusixubesoziwunuxas.pdfIn PDF document text
  • https://chokysitohang.com/Uploads/userfiles/files/lesakakugolisitamig.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/67438787573.pdfIn PDF document text
  • http://bagiez.com/userfiles/file/95052649626.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/e3h8h5ioj4nsqugqk8jhf9pg0r/somamixapugam.pdfIn PDF document text
  • http://meyergarden.com/ckfinder/userfiles/files/zifuneb.pdfIn PDF document text
  • https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/zijojarelaralumadisi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=download+discord+apk+for+windows+10PDF 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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