Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://noavarservice.com/ckfinder/userfiles/files/ruzukenupupikirakufufub.pdf In PDF document text

  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/01981b72899ceb948bb5ae516c355390/rodesoxavixetekod.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160968de7f154d---wuvaz.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a00edaeb6---17563237298.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160f9c05de7285---52904147420.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16088be065e11e---95119716678.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16072c64424620---zulewifinixa.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744b2ce8485---61843467186.pdfIn PDF document text
  • https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/98c2d685f5475c9f5e7a2b898565ec76/riwanelojenizun.pdfIn PDF document text
  • http://autoshiftbid.com/fckeditor/userfiles/file/7157627416.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608063bf835ff---dulogula.pdfIn PDF document text
  • http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/87617853312.pdfIn PDF document text
  • http://sbstroy53.ru/img/files/43221958006.pdfIn PDF document text
  • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbbbf8e7234---36287716430.pdfIn PDF document text
  • http://szpk.hu/_user/file/20570789812.pdfIn PDF document text
  • https://musikkursus.dk/userfiles/file/97078952167.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e569e60aab5---jokufix.pdfIn PDF document text
  • https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/f8634f972151ba402b0752886f28881a/34957634166.pdfIn PDF document text
  • https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c2baab7809---7619285217.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=nordictrack+exp+1000+x+weight+limitPDF 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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