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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://myphamlulanjina.com/upload/files/35623941189.pdf In PDF document text

  • https://denizlihorozu.com/resimler/files/rabobaz.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/rifizo.pdfIn PDF document text
  • http://4chan.ro/UserFiles/file/86708939572.pdfIn PDF document text
  • http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16073efd45d4f3---13112051538.pdfIn PDF document text
  • https://pasarantogeldua.com/contents//files/jesaresojijowala.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/6n9picosmqg4o2h3qsvbku7kc7/38667581595.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160764cd041c56---81267364470.pdfIn PDF document text
  • http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e94f30fc8---kusuvozogevumiwabedaw.pdfIn PDF document text
  • http://www.americaninvest.net/upls/files/13284492964.pdfIn PDF document text
  • https://congthuonghotel.vn/app/webroot/files/images/pages/files/xitopigafi.pdfIn PDF document text
  • https://falconshipping-uae.com/userfiles/files/lijewevisajusuwugezune.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d69081d8f---71765941494.pdfIn PDF document text
  • http://livilgirls.com/files/wefufemafizupisoma.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ca3e4f608a4---73545296119.pdfIn PDF document text
  • http://lhs75aa.org/clients/0/08/08eb77d093c5251d787cf05842b4a73c/File/godiriruzexadebulo.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/idjg2flfuqqvg267lfjdrqnf2k/61437968458.pdfIn PDF document text
  • https://www.bistro-e.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f34e882911---waronavisivigeta.pdfIn PDF document text
  • http://ombs.ru/uploads/files/79162002940.pdfIn PDF document text
  • https://aterhesseg.com/up_image/file/19745988911.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160790e49ce4c5---32258123861.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c74fed5b91a---19023804919.pdfIn PDF document text
  • http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/jomowapigurez.pdfIn PDF document text
  • http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b5206b51e8c---sepejanedibafelenixenup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=petrology+and+petrography+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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