Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=letras+do+alfabeto+para+imprimir+pdf PDF link annotation

  • http://hydrogears.com/survey/userfiles/files/fifumawibu.pdfIn PDF document text
  • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607e60e00552c---25781814361.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf5e1c23971---64773071867.pdfIn PDF document text
  • http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/50242236347.pdfIn PDF document text
  • http://paradisetnl.com/FileData/ckfinder/files/20210712_0BB45CF31312DFE3.pdfIn PDF document text
  • http://mallenmediations.com/mallenmediations/images/userfiles/file/tedigusonowopawolojobevu.pdfIn PDF document text
  • https://aartipalette.com/userfiles/file/nifevigivadelefidup.pdfIn PDF document text
  • https://istocdukkan.com/userfiles/files/zawivufazominebuwi.pdfIn PDF document text
  • https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/16077b9b0af534---12913298634.pdfIn PDF document text
  • https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/16086cf6c231aa---58840161553.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3b3ead1228---22515175998.pdfIn PDF document text
  • https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/92dc3e79e567f3acf4e15b79e584c3ad/wudawosazef.pdfIn PDF document text
  • http://rocincorporated.com/domain.com/images/dynamic_pages/file/3794260681.pdfIn PDF document text
  • https://syteq-pro.com/userfiles/file/kivaferapumudajitiganes.pdfIn PDF document text
  • https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c14201d30e4---43867295809.pdfIn PDF document text
  • http://mrbossamktown.com/uploads/files/51872759987.pdfIn PDF document text
  • http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8a5752c68---3915102707.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8bf2e3b95---80694355124.pdfIn PDF document text
  • http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1609bab05ac688---91369520373.pdfIn PDF document text
  • http://oio.cn/uploadfiles/files/raxebiwolasulezavedego.pdfIn PDF document text
  • https://eurouniversal.eu/ckfinder/userfiles/files/5340326655.pdfIn PDF document text
  • http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/0391df0e5d29bd90631fa029ed069d25/nekubenaxaguzege.pdfIn PDF document text
  • http://crm333.com/documentos/file/34398246589.pdfIn PDF document text
  • https://paeonia.ch/userfiles/files/vovaxalubekonofitoxati.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1607c38bc4304a---52703621843.pdfIn PDF document text
  • http://wintec-samu.hu/uploads/files/64545465600.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 extracted file (font_00_sfnt_off00010001.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00010001.bin)

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