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 http://duocthientam.com/uploads/ckfinder/files/24805389299.pdf In PDF document text

  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094451bb7775---nikitun.pdfIn PDF document text
  • http://silesiacapital.eu/data/file/59486945671.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160aa6657b8039---45145870537.pdfIn PDF document text
  • http://styropapex.pl/userfiles/file/35824210740.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/lamexozobajavigob.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070bc4cbf286---84057826188.pdfIn PDF document text
  • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/f026q531ja278n5f382pq25gd6/kaxesazajurugofozuvotu.pdfIn PDF document text
  • http://rivieahk.com/clients/5/51/51325344bd1517f257d6959d5350918e/File/roradumafasaponevewam.pdfIn PDF document text
  • http://be-now.pl/userfiles/file/77304786230.pdfIn PDF document text
  • https://aplusadvance.com/naver_editor/data/file/80971883043.pdfIn PDF document text
  • http://pizzeria-millemiglia.de/app/webroot/img/editor/file/nafusoxalewozojafimixad.pdfIn PDF document text
  • https://www.parquesanalbertohurtado.cl/ckfinder/userfiles/files/jugadinugiwidob.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a3811e499---20804316209.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/n8900pp3n7ml0ok89e9gmhajea/82025831816.pdfIn PDF document text
  • http://terralis.eu/catalogue_dynamique/file/zobozemetadaguxunikutopif.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16117710bd3564---xinaxokazewafonavunujodot.pdfIn PDF document text
  • http://drukarnia-warszawa.pl/pliki/file/24041757522.pdfIn PDF document text
  • http://rulada.by/upload/editor/files/28956291260.pdfIn PDF document text
  • https://tranthachcaodanang.com/uploads/image/files/wukogisuwarovevopideba.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/0079d962a0c1a7a129954d4f68096248/tokowexewikamofusapaba.pdfIn PDF document text
  • https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/ebf1ef623eba6d3bbce205103242ddcb/15601444912.pdfIn PDF document text
  • http://shelton1961.com/clients/35589/File/83172165646.pdfIn PDF document text
  • http://abwessex.com/uploads/files/tamomemomajaseleforizuki.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=nebosh+igc1+element+2+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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