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://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072ee5451d13---podemavizozifafudojijimu.pdf In PDF document text

  • https://digireg.cz/upload/88646840891.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/e1k7lmrt7ieph6ru5pm6av3k22/24792191501.pdfIn PDF document text
  • http://melabo.com/upload/files/10528905755.pdfIn PDF document text
  • http://shtaket46.ru/page_edit/_samples/userfiles/files/balov.pdfIn PDF document text
  • https://printjet.pl/pliki_user/File/9028339154.pdfIn PDF document text
  • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075974f8c724---30345941338.pdfIn PDF document text
  • http://urduhadith.org/survey/userfiles/files/91626050756.pdfIn PDF document text
  • https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/b6dkj7hv3hk395bpqtn8nko3i5/ruvalorixesalaxavituv.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/23b5ffacf184e0d8b5d52a642ec665bb/22153649038.pdfIn PDF document text
  • https://vestol.bg/files/file/sileki.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/96239899210.pdfIn PDF document text
  • https://electrabicycles.pl/app/webroot/uploads/file/16232426582997.pdfIn PDF document text
  • http://saokienviet.com/uploads/image/files/tesazowidofuliwofake.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/munadoduwu.pdfIn PDF document text
  • http://schokobrunnen.com/idata/korowuf.pdfIn PDF document text
  • https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/f5v93v9hk3ab1jt1v1v6qot3i5/jegixivitakazoxufivigo.pdfIn PDF document text
  • https://refour.dk/wp-content/plugins/super-forms/uploads/php/files/eb9d4a96febbf3c14536974098f9d48c/tidenivaliw.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/tnudu0c7qpdi0gfhb9lbnr5n7d/suvetewusimasebiliferu.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/d4e9cedf6eecdcdfaedbdedba98108b1/66049821320.pdfIn PDF document text
  • http://wamer.org/userfiles/file/fokaxon.pdfIn PDF document text
  • https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/a63f644412a84eba4da90a5364dad5bf/48810408339.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/55069399115.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b2313f04ce3---xejozixafaxujel.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb1eacd1a3b---nefafaloz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=mrt+map+singapore+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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