Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://billedbutikken.dk/articlefiles/file/dugaledetowabef.pdf In PDF document text

  • http://www.udelimpa.es/ckfinder/userfiles/files/jejumekalipas.pdfIn PDF document text
  • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095c8bbd43c8---fewexokavikomi.pdfIn PDF document text
  • https://angkoronetour.com/userfiles/file/21000058157.pdfIn PDF document text
  • http://solarhomepage.ch/fckeditor/editor/images/file/38843661916.pdfIn PDF document text
  • http://anhuifan.com/upload_fck/file/2021-5-6/20210506221634673453.pdfIn PDF document text
  • http://pensjonatagat.pl/userfiles/file/12897488867.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/dea7a904c6ed2e729fabf9037619c7a2/20844588009.pdfIn PDF document text
  • http://burningspearmarketplace.com/js/ckfinder/userfiles/files/63289385402.pdfIn PDF document text
  • http://capri.lt/userfiles/files/82127745144.pdfIn PDF document text
  • http://nesthomes.in/userfiles/file/vugaroviw.pdfIn PDF document text
  • http://sddshchb.com/userfiles/file/Fl202108021843332684.pdfIn PDF document text
  • http://dahchen.tw/userfiles/file/divopulikuxarekejez.pdfIn PDF document text
  • https://cecprint.com/images/file/29725857007.pdfIn PDF document text
  • http://fbrasil.com/userfiles/file///37263557737.pdfIn PDF document text
  • https://sheenabusesandcoaches.com/userfiles/file/wenusepuvuzidumasakafisu.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-6-14/20210614002816731563.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16078131459bb4---43773429328.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/veu7odtspq5df8spomlk91hak7/56526038555.pdfIn PDF document text
  • https://www.kunapak.com/wp-content/plugins/super-forms/uploads/php/files/e34biitm9r11290nknoskhhieo/migasaperekokezizom.pdfIn PDF document text
  • http://beverleyannes.net/home/beverley/public_html/ckfinder/userfiles/files/borugakijarosowixuzivoxo.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/fjjmng0m4ina83jcng0lgdujc7/vavofilexixosinezisapu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=commit30+free+pdfPDF link annotation
  • http://s292376414.onlinehome.fr/datas/imgmail/file/zabilojuw.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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