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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://inwebjor.ru/uplcv?utm_term=download+pocket+tanks+deluxe+mod+apk PDF link annotation

  • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/161364ada553a5---77618188231.pdfIn PDF document text
  • http://www.specemc.ru/upload/files/95489442304.pdfIn PDF document text
  • http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16137a7b822912---nirebi.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/93736890773.pdfIn PDF document text
  • http://jadeite.ru/images/file/nenofotudoge.pdfIn PDF document text
  • http://gptools.net/userfiles/file/20915817244.pdfIn PDF document text
  • http://abwjefferson.com/uploads/files/pinowax.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/woxovati.pdfIn PDF document text
  • https://t2sc.me/userfiles/13349451612.pdfIn PDF document text
  • http://licausi.it/userfiles/files/64245986038.pdfIn PDF document text
  • https://groupburuemas2.com/contents/files/46824040323.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136061cd3564---14594770022.pdfIn PDF document text
  • http://short-story.ru/upload/file/28601356649.pdfIn PDF document text
  • http://nhakhoauytinhaiphong.com/upload/files/nikakezilesifumifimogoj.pdfIn PDF document text
  • https://mehfermobilsaglik.com/userfiles/file/domujidamezaveza.pdfIn PDF document text
  • http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16134e27f78cb8---vimax.pdfIn PDF document text
  • http://thermcom.cz/userfiles/file/27222093325.pdfIn PDF document text
  • http://metamorfoza-krosno.pl/userfiles/file/33345181309.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8c3862e7b---25204514349.pdfIn PDF document text
  • https://tjp2-hotlink-j3t.com/contents/files/19203693180.pdfIn PDF document text
  • http://tdvvietnam.vn/webroot/img/files/nafixusepon.pdfIn PDF document text
  • https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/beba45d28c7806f34f6978818c266581/82974264364.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/83d02272f9c7c0424ed1fb644b617723/32816766792.pdfIn PDF document text
  • http://gemculture.com/userfiles/file/gidemegixe.pdfIn PDF document text
  • http://thesei.com/In PDF document text
  • http://landroverbh.com/ckfinder/userfiles/files/xidin.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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