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://robert-zauer.cz/userfiles/file/64132240137.pdf In PDF document text

  • http://alanaf.ru/userfiles/files/19557832628.pdfIn PDF document text
  • http://mathcountsoutreach.org/userfiles/file/limavofibapajudugaji.pdfIn PDF document text
  • https://angkoronetour.com/userfiles/file/60716348249.pdfIn PDF document text
  • http://barrybusiness-crm.com/ressource/devis-photo/files/61891976260.pdfIn PDF document text
  • https://shibbirs.com/media/files/60291867242.pdfIn PDF document text
  • https://solucionaesp.com/ckfinder/userfiles/files/lusepadopujelo.pdfIn PDF document text
  • https://ganport.pl/userfiles/file/xolalawelunuwosuxaraxar.pdfIn PDF document text
  • http://coming-c.com/userfiles/file/84795681623.pdfIn PDF document text
  • https://lingchuanfloor.com/app/webroot/userfiles/files/rowab.pdfIn PDF document text
  • http://nagakuratrading.com/js/upload/files/18121578712.pdfIn PDF document text
  • https://newsru.md/upload/userfiles/files/losukitodewavopuj.pdfIn PDF document text
  • https://dutchfansitenetwork.nl/ckfinder/userfiles/files/43386134882.pdfIn PDF document text
  • http://bluebossa.pl/files/file/72165202357.pdfIn PDF document text
  • https://maconlux.lu/userfiles/files/37442140610.pdfIn PDF document text
  • http://indagosrl.it/userfiles/files/wijurafufizogetinoxezonim.pdfIn PDF document text
  • http://bluebossa.pl/files/file/gozusizojifanitogavazi.pdfIn PDF document text
  • http://qapoll.com/2015/vat/upload/files/kafanefolaje.pdfIn PDF document text
  • https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/f4bc1d5e2f8c010fd32dfc29264a83ff/56587894153.pdfIn PDF document text
  • http://fotosvatba.net/userfiles/file/pareburuzuwida.pdfIn PDF document text
  • https://chungangroup.com/uploads/files/202109091203564035.pdfIn PDF document text
  • http://camonetinternational.com/files/file/20453005440.pdfIn PDF document text
  • http://youngthisyear.com/ckfinder/userfiles/files/43572600603.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16140e7dd42e59---vixiseti.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=dictaphone+for+androidPDF link annotation
  • http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138cdfd845dd---22388990797.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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