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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://infrive.ru/uplcv?utm_term=castle+crush+app+download PDF link annotation

  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613a908f4d56d---40866157386.pdfIn PDF document text
  • http://kurier48.pl/files/userfiles/file/puzuvidetekuge.pdfIn PDF document text
  • http://uitetenindex.nl/images/uploads/88390391964.pdfIn PDF document text
  • http://sayarbobinaj.com/file/27787444844.pdfIn PDF document text
  • https://sergiomauri.com/images/file/31608909490.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16136fa41b5d6f---12651315439.pdfIn PDF document text
  • http://meubelenindex.nl/images/uploads/58686355125.pdfIn PDF document text
  • https://www.tahitotfaluovodak.hu/ckfinder/userfiles/files/gepojej.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613d261e676a2---76303952243.pdfIn PDF document text
  • http://kitpaisal.com/mypicture/file/14671798395.pdfIn PDF document text
  • http://winfielddeli.com/ckfinder/userfiles/files/18884566051.pdfIn PDF document text
  • http://www.hangmandigital.com/files/file/6675228916.pdfIn PDF document text
  • http://rallyteamwalraven.nl/file/87089316429.pdfIn PDF document text
  • http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/fanofilutotubufokop.pdfIn PDF document text
  • http://talentfuturesservices.com/sharpinstitute/images/files/vituvufo.pdfIn PDF document text
  • http://weilandensemble.nl/ckfinder/userfiles/files/99183435194.pdfIn PDF document text
  • https://gad-elhak.com/userfiles/file/fafovonalumuvinenaliw.pdfIn PDF document text
  • http://banghetretunhien.com/media/ftp/file/42742447430.pdfIn PDF document text
  • http://ty6600.com/userfiles/file/ranojubibewi.pdfIn PDF document text
  • https://www.tctnanotech.com/wp-content/plugins/super-forms/uploads/php/files/55a43064aa905313604dd9c96445d0b9/8654245488.pdfIn PDF document text
  • http://gloteckr.com/upload/editor/file/70656232866.pdfIn PDF document text
  • https://www.truckersplantparts.co.uk/ckfinder/userfiles/files/48592707909.pdfIn PDF document text
  • http://nature-revive.org/files/file/32206971641.pdfIn PDF document text
  • http://smartvoicesys.com/userfiles/46201099943.pdfIn PDF document text
  • http://pc75.net/upfiles/file/1630757482.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/lololonij.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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