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://bankkartya.hu/js/ckfinder/userfiles/files/82062397960.pdf In PDF document text

  • http://robotsuk.com/luckingbros.co.uk/userfiles/files/24922167337.pdfIn PDF document text
  • https://samuelben-horin.com/userfiles/file/82326014537.pdfIn PDF document text
  • http://tobn56.com/UpFiles/file/59822707503.pdfIn PDF document text
  • http://vipnjl.com/userfiles/files/27567160231.pdfIn PDF document text
  • https://thuhuonglacquer.com/uploads/news_file/62637280986.pdfIn PDF document text
  • https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16132dd64eda26---ziwex.pdfIn PDF document text
  • http://orthocarecentroortopedico.it/userfiles/files/pijisonew.pdfIn PDF document text
  • https://halkum.rs/files/21329630159.pdfIn PDF document text
  • http://vivaldiskibus.com/FileData/ckfinder/files/20210908_E6F62BFC6554EA70.pdfIn PDF document text
  • https://erdenet.mn/userfiles/file/30020492921.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210903_8F5B52AD19138A73.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363d230abe7---sovafokugukizirav.pdfIn PDF document text
  • https://mbzl-pro.xyz/web/img/podborky/files/lobajolimesedasewarasuren.pdfIn PDF document text
  • https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/1d5e511b96092bc16e03a1c0fd49b1ba/ligigokedakobolinekipu.pdfIn PDF document text
  • http://zhizhencn.com/filespath/files/20210905095433.pdfIn PDF document text
  • http://ansatrans.ru/admin/ckfinder/userfiles/files/tuwokuxevogarilaxofur.pdfIn PDF document text
  • http://jia-longsofa.com/uploadpic/jialong151126/files/202109021129235892.pdfIn PDF document text
  • http://sino-web.net/filespath/files/20210910192634.pdfIn PDF document text
  • https://kcharp.com/ckfinder/userfiles/files/zakela.pdfIn PDF document text
  • https://ngonluathan.com/images/ckeditor/files/nefadilifazav.pdfIn PDF document text
  • https://ihappywash.com/uploads/files/202109061602396692.pdfIn PDF document text
  • http://sangjeom.com/userfiles/file///26248633386.pdfIn PDF document text
  • https://bharatceramics.in/ckfinder/userfiles/files/25885036074.pdfIn PDF document text
  • http://evopizza.lt/ckfinder/userfiles/files/18011722214.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=positive+words+that+start+with+n+to+describe+a+personPDF 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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