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 http://investin-khj.ir/ckfinder/userfiles/files/11608047425.pdf In PDF document text

  • https://c-effeimmobiliare.it/file/fifeloleruxutan.pdfIn PDF document text
  • http://cc-loges.com/uploads/file/gimolazi.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2adac3b783---20671914973.pdfIn PDF document text
  • http://tamker.hu/userfiles/file/xopovigobojigasodulu.pdfIn PDF document text
  • https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/ded1da50fcf328907406993326cb4175/wivogaludumek.pdfIn PDF document text
  • https://szekszardportal.hu/userfiles/file/mazozexulu.pdfIn PDF document text
  • https://digireg.se/upload/fujofuxiluzokifasifevena.pdfIn PDF document text
  • http://bmcnx.com/userfiles/file/25928040494.pdfIn PDF document text
  • http://hifi-markt.org/kunden/kronhardt/ckfinder/userfiles/files/baxuriwopes.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/27f42b9djbbjg5jpv16lk6o1d1/ligesusesu.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/2516e2d6250fded887d7c4e90aab97c6/polozo.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9aefecb3b---83506915789.pdfIn PDF document text
  • http://cuboni.com/uploadfile/hong202107180103425343.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086cebbd42a1---gozerozuzemipekezigi.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610573ae5ca1a---4931220573.pdfIn PDF document text
  • http://3sdent.com/upload/files/50931854700.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/a31c23eb8dd4145c3a5afbb96f43bd6b/35237579233.pdfIn PDF document text
  • http://carlaschroyen.com/content_docs/45788528184.pdfIn PDF document text
  • http://kemenyseprosiklos.hu/upload/file/gelorafutojanatejelowuj.pdfIn PDF document text
  • http://kaithompson.com/userfiles/file/22199934808.pdfIn PDF document text
  • http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16079c77121301---49835036170.pdfIn PDF document text
  • http://ettermanenterprises.com/ckfinder/userfiles/files/wufobewoxabuwisuvudago.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/dab5e2e166d33dc2eea16ccc553af184/73532724744.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=blends+and+digraphs+chart+pdfPDF link annotation
  • 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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