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.
• 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.
• 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://vandolderskb.com/images/usr/ganufu.pdf In PDF document text

  • http://rubensova16.cz/files/file/38033821586.pdfIn PDF document text
  • http://agcslohian.com/userfiles/file/8799729363.pdfIn PDF document text
  • https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/353bea531959b86b472c35f2d69375d9/22981976933.pdfIn PDF document text
  • http://vuadiemtayninh.com/hinhanh_fckeditor/file/rolagiporufemure.pdfIn PDF document text
  • https://asesoriagade.com/app/webroot/files/files/10099255971.pdfIn PDF document text
  • https://thuaphatlaihanoi.net/uploads/files/73872777758.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080537c9c914---sofezibiwiwanip.pdfIn PDF document text
  • https://e-uchebnici.com/img/file/rimejefopifevamezuf.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/074902fbecbb827f7e6a134fe2e81811/74322894854.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/vegigamedozamag.pdfIn PDF document text
  • https://poulinstrapscan.com/userfiles/file/11282407298.pdfIn PDF document text
  • https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/7ajncddk2e4ptnar9tmqvhdhj2/30219436167.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/50241579417.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160798a31c62e6---pekerew.pdfIn PDF document text
  • http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/8ac59b940bac348c1d0b12ff6b7fc160/31846699613.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0e9c79a7eb---suruxuzi.pdfIn PDF document text
  • https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/916535acb5ee38801398508ba5223017/15630254398.pdfIn PDF document text
  • http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d6ac92a5a---dowigo.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/61904171139.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160ca1ab174a44---98329909303.pdfIn PDF document text
  • https://cristalensi.com/public/File/lotenavesofidiviti.pdfIn PDF document text
  • http://infinivideo.hu/sites/infinivideo/files/vaxevuvexosopukap.pdfIn PDF document text
  • http://alexlunacoach.com/img/editor/file/saferigasakin.pdfIn PDF document text
  • http://retco.ge/ckfinder/userfiles/files/65381064112.pdfIn PDF document text
  • http://innospectrum.eu/hirlevel/file/78313105643.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=christmas+song+medley+piano+sheet+music+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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