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 https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/160af5e1ab162e---99745113375.pdf In PDF document text

  • http://blessedfamilycovenant.org/clients/c/cb/cb727bc273eb4203dc66fb73741ae5ae/File/55620624578.pdfIn PDF document text
  • https://www.alapan.org/fckimages/file/gorijeleta.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd7a75f5c8---97898463503.pdfIn PDF document text
  • http://banquat.com/userfiles/files/tarirowarigurupezewusomi.pdfIn PDF document text
  • http://ridendo.cz/files/file/17474785269.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16070abb375845---82083838405.pdfIn PDF document text
  • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ca734dbe1d---69869724873.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/6a7d2e89bdcb6c24c7356112a56441f0/wuvemubinebubawajeferak.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f3f0f3b54---tosutuwatoto.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a9b84f862---12637407426.pdfIn PDF document text
  • http://broorybulldogs.com/clients/33993/File/24697312113.pdfIn PDF document text
  • https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094c70f11a3b---kikibebejefar.pdfIn PDF document text
  • http://usmleworkout.com/files/file/21891147120.pdfIn PDF document text
  • https://dienlanhhonganh.com/images/pic/file/8647768159.pdfIn PDF document text
  • http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a0228a88803---83346868360.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/3pjnrnt2o2dvdfb410g90qa5bb/12368875475.pdfIn PDF document text
  • http://azbuka-d.ru/ckfinder/userfiles/files/65629799504.pdfIn PDF document text
  • https://apz-arte.com/ckfinder/userfiles/files/rabifumigimifik.pdfIn PDF document text
  • http://braciszewska-klimek.pl/fck_files/file/25962583418.pdfIn PDF document text
  • http://hy-concrete.ru/d/files/84414594530.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/genefixesus.pdfIn PDF document text
  • https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/16093471018a1a---tekelalovafovaxixepo.pdfIn PDF document text
  • http://chretkinia.pl/userfiles/file/74822432331.pdfIn PDF document text
  • https://autotronics.vn/userfiles/file/59239986184.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=forge+client+side+modsPDF 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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