Malicious PDF — malware analysis report

Heuristics 5

• 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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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://ggtraff.ru/123?utm_term=brother+mfc-l5850dw+troubleshooting In PDF document text

  • https://cdn-cms.f-static.net/uploads/4402940/normal_5fa44f2b4fe8a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379626/normal_5f9ccf9a2dbfe.pdfIn PDF document text
  • https://site-1173271.mozfiles.com/files/1173271/26289559397.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4379053/normal_5fcba6fc62ba9.pdfIn PDF document text
  • https://site-1174733.mozfiles.com/files/1174733/tower_defense_galaxy_war_tips.pdfIn PDF document text
  • https://giduzuzetedeze.weebly.com/uploads/1/3/4/8/134853145/ruxafupizovas_mejetenufege_sonosiset_pesadimopumi.pdfIn PDF document text
  • https://site-1172123.mozfiles.com/files/1172123/472051619.pdfIn PDF document text
  • https://site-1172723.mozfiles.com/files/1172723/princess_pop_bubble_games_online.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380881/normal_5fa1e1bc92700.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4404730/normal_5fca381d0d3e1.pdfIn PDF document text
  • https://varavedonenen.weebly.com/uploads/1/3/4/3/134316352/rakikumozoxobuxuk.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/regufojalojaza/oxford_dictionary_full_version.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://scripts.sil.org/OFLIn PDF document text

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