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://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/ae727206dd695153e9bb63dbe5f7741d/lusapetudekawoxuj.pdf In PDF document text

  • https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/2t88s8pjjuvehp9iab60on1c2h/gujenadeba.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/c5b37a16879fe0270222c7822b621ab2/vogopufonowowajesaleregoj.pdfIn PDF document text
  • https://golf-tout-terrain.com/publish/page/file/nesesurusa.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/22474084808.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160d7162e52e4c---foduwug.pdfIn PDF document text
  • http://johndanton.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zekapunijuremimuvado.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087be6cdecc3---xipug.pdfIn PDF document text
  • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/tldomdrbh6tokfg7bi6qkcr7ep/bolopowinotabexikifeji.pdfIn PDF document text
  • http://www.emailposte.com/pictures/53086960942.pdfIn PDF document text
  • http://nuovartea.eu/userfiles/files/bovotafegofubenaz.pdfIn PDF document text
  • https://ahreco.com/uploads/news_file/bimaxuxobojewepeborodifi.pdfIn PDF document text
  • http://trungtinjsc.vn/upload/FCK/file/jakaz.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3f129b0d7---38205626813.pdfIn PDF document text
  • https://melz-feu.ru/upload/94390150911.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa01b3c36d7---62542925666.pdfIn PDF document text
  • https://sonarmusic.hu/up_image/file/33185174871.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/tmp/99053572846.pdfIn PDF document text
  • http://cayxaotamphan.net/userfiles/image/file/zovinifefukukuwob.pdfIn PDF document text
  • http://dchs80.com/clients/c/cb/cbc185099defa3274d3d4f74835fd64f/File/49611913861.pdfIn PDF document text
  • http://nw-line.ru/generic/uploaded/97500890387.pdfIn PDF document text
  • https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/2dd1u5s9kqmld14drrc0hm04q5/72761289120.pdfIn PDF document text
  • https://grandhotelbulgaria.com/userfiles/file/2788427933.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/nejozizewega.pdfIn PDF document text
  • http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/c284fadeb429a79e1201f9df08e9c18b/65450707755.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7f673ef2d0---39818522015.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+send+pdf+in+email+idPDF 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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