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 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 https://chcial.ru/uplcv?utm_term=immigration+and+asylum+act+1999 PDF link annotation

  • http://ozanatalan.com/iboard/includes/userfiles/files/mebazoleraxavefuvodezejof.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16098e56618fc3---rajurerokalejeziwewabozi.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b73ae7854---nukugusukojimab.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/zuxagamabalukop.pdfIn PDF document text
  • https://sukienmiennam.com/userupload/files/7978533324.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/ilsabqul09h6avm738mr2vlff7/8095384086.pdfIn PDF document text
  • https://accesoriosalmayor.com/images/userfiles/file/gilapujiwonedi.pdfIn PDF document text
  • http://patronusalapitvany.hu/public_html/upload/76756461961.pdfIn PDF document text
  • http://augustaelectricalwork.com/editorData/file/4723142738.pdfIn PDF document text
  • http://palestraarkadia.it/userfiles/files/24742217197.pdfIn PDF document text
  • http://dlastudenta.org/Upload/file/62970142990.pdfIn PDF document text
  • https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/bd16abe49311bc841c86ea435ced2eef/dofaz.pdfIn PDF document text
  • https://steklo-shik.ru/userfiles/file/sonadobejezuma.pdfIn PDF document text
  • https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160cab033be33b---sawesar.pdfIn PDF document text
  • http://jwnorthclassof70reunion.com/clients/c/c6/c6167e942b76adab5863fbee8ae727a7/File/nexorevufofokut.pdfIn PDF document text
  • http://ambulatorioveterinariosantanna.eu/userfiles/files/96874151051.pdfIn PDF document text
  • https://srinivasagroup.com/ci/userfiles/files/xogedizeloni.pdfIn PDF document text
  • http://massintech.ru/img/outer/files/778381591.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/d7de2026df4400d6cc49568df3129f6a/99776610895.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075e42fb1319---garobaxezusamafi.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/bd96ae0756b45cd99b3ff33f61c7abc4/vozasajozegaju.pdfIn PDF document text
  • https://stdtekstil.com/upload/ckfinder/files/93991213402.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/3587de58ab8584b6703e156ecc705090/78690918269.pdfIn PDF document text
  • http://thaide.org/userfiles/file/27261421091.pdfIn PDF document text
  • https://forumhrdbekasi.com/webroot/userfiles/files/wanekomerapodigizisivek.pdfIn PDF document text
  • 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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