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 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.
• 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://bologen.ru/wix?keyword=nativeui+1.7+gta+5 PDF link annotation

  • http://grinallex.shop/possessive_adjectives_spanish_worksheetpspwx.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460944/normal_5fd27b888827e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425515/normal_6010c6006a80c.pdfIn PDF document text
  • http://itactical.xyz/yin_yoga_sequence_for_rainy_dayuhebv.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4419452/normal_5ffc0098135d0.pdfIn PDF document text
  • http://teenagetutor.online/dubolamutowatunugitirodapymfng.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485014/normal_60110ac53e0e9.pdfIn PDF document text
  • http://lnstagram-help-businesss.com/zener_diode_datasheet2j12q.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4451940/normal_5fe196d728595.pdfIn PDF document text
  • http://zukilobuzoroko.66ghz.com/8902422013.pdfIn PDF document text
  • http://copyright-notice-ig.com/867730530570o6mh.pdfIn PDF document text
  • http://psylath.com/tevadupezenefilym7h.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4387590/normal_5fe5d1806c7c9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385415/normal_600a55570a5c7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421215/normal_602559d770982.pdfIn PDF document text
  • http://baugroup.info/resojagalonbq0eb.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://tuvufuxo.epizy.com/dougherty_county_jail_report_march_2019.pdfIn PDF document text
  • http://wetafemef.epizy.com/aida64_pc_free.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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