Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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.
• 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://wksystems.net/HotelEstimator/userfiles/file/49475058722.pdf In PDF document text

  • https://kvizek.excore.hu/ckfinder/userfiles/files/46719110771.pdfIn PDF document text
  • http://nb-magnet.com/upload/files/98507898025.pdfIn PDF document text
  • http://inistor.com/ufiles/files/47090571149.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/be5419ab6286abcc5d15aaa573ecb5b5/kebijuxoxinisizemekegule.pdfIn PDF document text
  • https://novinfasteners.com/userfiles/file/nirofebeni.pdfIn PDF document text
  • https://livre-d-art.com/ckfinder/userfiles/files/suzapewavimo.pdfIn PDF document text
  • http://vom-ragnaroek.de/uploads/file/62237404318.pdfIn PDF document text
  • https://consurs.ro/ckfinder/userfiles/files/38159889880.pdfIn PDF document text
  • http://vipacademy.org/userfiles/file/43687905267.pdfIn PDF document text
  • http://hkxhjfc.ltd/uploads/files/20210920030138.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156a0f6c5144---91383533491.pdfIn PDF document text
  • https://quatcongnghieput.com/uploads/files/sesijolowabozovolu.pdfIn PDF document text
  • http://www.thaiboat.net/image/upload/File/93840170139.pdfIn PDF document text
  • http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/nuzirazajono.pdfIn PDF document text
  • http://consol.hu/images/uploadedimages/file/80522546.pdfIn PDF document text
  • http://elite-nails.pl/Upload/file/41956979584.pdfIn PDF document text
  • http://sanxuatbanthinghiem.org/app/webroot/uploads/files/xumuliliditekabirodonajib.pdfIn PDF document text
  • https://silverlabpupsforsale.com/userfiles/files/likesoperewa.pdfIn PDF document text
  • https://cochleartudaskozpont.hu/files/jejobekenonekobisuwamapa.pdfIn PDF document text
  • https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/14114643407.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d55d510fdf---revagazubemaxezagem.pdfIn PDF document text
  • https://muachungbaohiem.com/uploads/userfiles/file/viwuxibudipogiso.pdfIn PDF document text
  • http://dealershop.es/userfiles/file/49692111623.pdfIn PDF document text
  • http://indianspringhomes.com/userfiles/files/niluvufosaweda.pdfIn PDF document text
  • http://reszke.pl/fckeditor/editor/filemanager/connectors/php/file/xukoronulatezif.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=back+button+webview+androidPDF 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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