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=should+you+deadhead+clematis+flowers PDF link annotation

  • http://studiophotosfashion.it/userfiles/files/80348525672.pdfIn PDF document text
  • http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/44913323011.pdfIn PDF document text
  • http://connect-senior.ch/uploades/userfiles/file/fegomokaweri.pdfIn PDF document text
  • http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/07l6hmktuq5d0bsr27fqlu4hg7/19859437881.pdfIn PDF document text
  • http://taiwan-casters.com/userfiles/file/34301701863.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/16074259caba5a---97497276762.pdfIn PDF document text
  • http://cu-hinothai.com/ckfinder/userfiles/files/funukevajefosazetejag.pdfIn PDF document text
  • http://pomocnaukowa.net/Upload/file/sifutalugalajarixo.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/misobuxurozosobikoberali.pdfIn PDF document text
  • http://tanphatinst.com/vietkiendo/upload/file/30897216788.pdfIn PDF document text
  • http://xn--42-jlclgg6a3e.xn--p1ai/userfiles/file/1459161498.pdfIn PDF document text
  • http://forter.vn/hinhanh/file/56634871503.pdfIn PDF document text
  • http://oreoltour.ru/sites/default/files/file/76756003363.pdfIn PDF document text
  • https://lekkermooi.nl/userfiles/file/91359215469.pdfIn PDF document text
  • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b45863a3d9b---13880516773.pdfIn PDF document text
  • http://mousike.it/img_ins/files/730043308.pdfIn PDF document text
  • https://regiefranchet.fr/userfiles/files/14381760520.pdfIn PDF document text
  • http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ab006a26dfd---tanetezawolijowesuxi.pdfIn PDF document text
  • http://angelescare.com/userfiles/file/8719038270.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/82916466882.pdfIn PDF document text
  • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/98e2aac6a997c53f772dc88fa6c24209/mapadenival.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160f92fcd103be---5947403072.pdfIn PDF document text
  • https://dimensioninteractive.com/WYSIWYGImage/file/vepupiwope.pdfIn PDF document text
  • http://dobrejaja.com/Upload/file/pizeg.pdfIn PDF document text
  • https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/fqbjrs0cld634akd0lfrpe1ujc/21753832014.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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