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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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://cafij.co.za/XSRYdR1H?utm_term=ejercicios+ley+combinada+de+los+gases+pdf+en+ingles+y PDF link annotation

  • https://xupotigoxurope.weebly.com/uploads/1/3/4/6/134657266/maduwubaw.pdfIn PDF document text
  • http://wayoflife.hu/userfiles/file/81332090482.pdfIn PDF document text
  • https://bentonhomebuilders.com/kcfinder/jimeri.pdfIn PDF document text
  • https://gifutemosi.weebly.com/uploads/1/4/1/3/141317822/semafafe.pdfIn PDF document text
  • https://www.institutvzdelavani.cz/files/fubofavazu.pdfIn PDF document text
  • https://jupawipomilat.weebly.com/uploads/1/3/2/7/132741176/7921681.pdfIn PDF document text
  • https://zejikato.weebly.com/uploads/1/3/3/9/133997407/xopogupasuwipen_pejizivetuvosod_wezixezebav_lowokevetila.pdfIn PDF document text
  • https://fasuwebizebone.weebly.com/uploads/1/4/1/6/141630349/ad442.pdfIn PDF document text
  • http://jovanrajsic.net/storage/files/momunopava.pdfIn PDF document text
  • https://buxexuwuf.weebly.com/uploads/1/3/4/6/134660927/numeravunepixu.pdfIn PDF document text
  • http://newo.ru/files/files/kudazotaximogafura.pdfIn PDF document text
  • https://duzunadi.weebly.com/uploads/1/3/0/9/130969775/2fef2e1fbc.pdfIn PDF document text
  • http://masan315.net/board/imagefile/file/vegoritafivo.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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