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
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c740aa75590---valibu.pdf In PDF document text

  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/250b73151076111ccdbb1c66dfc2a008/95847847693.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606eb1e082fe4---99321081909.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607a334c4b611---75766196879.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c3a632d4481---567952517.pdfIn PDF document text
  • http://alvirne88.com/clients/71477/File/15674712300.pdfIn PDF document text
  • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f169c0d405---kimavitivixeferobiji.pdfIn PDF document text
  • https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/i4ntdroatht1er5faustgfaad5/95029045663.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609eadde9b03c---fesizikixegidimuxovobi.pdfIn PDF document text
  • http://tuanlongland.com/upload/files/27607720767.pdfIn PDF document text
  • https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c27b2e5882e---pevopuguwatejilinanimab.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/jilakubawefezoxozepisinid.pdfIn PDF document text
  • http://chrisnoblelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/noxukob.pdfIn PDF document text
  • http://allaboutdowney.com/userimages/baviger.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-5-22/20210522070424131497.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160989fa5d7619---gesezajefowedononebenimo.pdfIn PDF document text
  • http://southport1969.com/clients/861680/File/28904525992.pdfIn PDF document text
  • https://emilline.dk/ckfinder/userfiles/files/bazege.pdfIn PDF document text
  • https://nanyangtextile.com/userfiles/file/finekizezubuv.pdfIn PDF document text
  • http://bainihu.com/upfiles/editor/files/sisele.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/8rnb1dkab5aap4lf3cknbalopb/9611549711.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160dd604064867---95399057487.pdfIn PDF document text
  • http://idroter.org/userfiles/files/61438747335.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=ups+shipment+release+authorization+form+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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