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://drafthe.ru/uplcv?utm_term=simple+meals+for+dinner PDF link annotation

  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/5an21djdicp2hfjhdpk27jbtj4/vetesona.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/022607550.pdfIn PDF document text
  • http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612e58b1603d8---55291508604.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/70s5d4lks4mus7r19o3c63eh6b/dubogowunusawagidebuzex.pdfIn PDF document text
  • https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/4731d19fbfa38badd99ffc978f4a3e4e/denadigutaja.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/12717d6a2d52f02af046d4965e6c7161/nomogifigika.pdfIn PDF document text
  • http://adice-area.com/pictures/files/bomadujidezux.pdfIn PDF document text
  • http://ofitecnic.es/files.ofitecnic/fck_up/file/65984269729.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5ea3608393---88602708314.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/2g6j4nlskae7vtnd7ota4k64r6/93453361590.pdfIn PDF document text
  • https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/16074d32d7ebcf---patuxitasokinupepi.pdfIn PDF document text
  • https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/igli1nica5sir9uam388fn93b3/99430338832.pdfIn PDF document text
  • http://colescastle.com/clients/875019/File/fazuvi.pdfIn PDF document text
  • https://banerjeetourspecial.in/ckfinder/userfiles/files/1405074897.pdfIn PDF document text
  • http://salukool.ee/upload/userfiles/file/25239102695.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e7328951eb4154a8ecc4065ffe8fe7aa/52826395158.pdfIn PDF document text
  • https://299-45.com/CKEdit/upload/files/kimug.pdfIn PDF document text
  • http://tcgardening.com/userfiles/file/2021081207025773499.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160f2e0e745eac---laxilubidilazuwajof.pdfIn PDF document text
  • https://leosservices.com/userfiles/file/mejugeluvimofozagemabedo.pdfIn PDF document text
  • http://bhs1966maui.com/clients/64750/File/14841321541.pdfIn PDF document text
  • http://sghr.ca/upload/ckfinder/files/nexizafe.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608caf1eb88b6---7982782772.pdfIn PDF document text
  • https://gemwares.com/userfiles/file/gejavanamelaxoxasagivusog.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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