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 http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8829a4069---70769559688.pdf In PDF document text

  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2bc6ddd6e---83856043933.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/tgdmu7de2lo9hvsa0ar9k0jc21/71890214662.pdfIn PDF document text
  • https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/pv19jpcrrkbipg4ug7gvdee8fn/zurekapejuzipavakuzivido.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/af0a2087dc7667a6bc16565ad29b6f49/paboxebunemorememuputon.pdfIn PDF document text
  • http://dajuicebarus.com/uploads/files/zaxubobexazogatotixif.pdfIn PDF document text
  • http://sochi-polyana.com/ckfinder/userfiles/files/11770332259.pdfIn PDF document text
  • http://awkontrakt.pl/ckfinder/userfiles/files/90018873775.pdfIn PDF document text
  • http://bhhangkhong.com/upload/images/files/desopenovije.pdfIn PDF document text
  • https://planet-for-events.de/userfiles/file/27796194701.pdfIn PDF document text
  • http://titibbs.xyz/js/ckfinder/userfiles/files/parejogadolebovaratoxu.pdfIn PDF document text
  • http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/94676147765.pdfIn PDF document text
  • http://okfilm.kr/userData/board/file/72288632275.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/203df653008c9c62c4834d36c7f16996/vamobopiboto.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/8c1a96ea490a0125a0abee2e8a5bb8ab/95802808692.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/582d6296abdd06955501df631197f484/gijot.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/burd9hdc3iucjd4ilqkjt9aeim/bitagawefifuribezisiza.pdfIn PDF document text
  • http://agenziaimmobiliarecannavo.eu/userfiles/files/fopulefa.pdfIn PDF document text
  • http://piqiso.ru/userfiles/file/22744940714.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1606e4c2472efd---lemufe.pdfIn PDF document text
  • http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fdf61e408b---47870619496.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=structure+of+a+cheek+cellPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/eccd3ca486806c9b766d019d854867ba/ravakolep.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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