Malicious PDF — malware analysis report

Heuristics 5

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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://baarspo.ru/wix?keyword=polinomios+de+taylor PDF link annotation

  • https://cdn.sqhk.co/vofonowul/iVu5hb9/23815070493.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4375200/normal_5ff7ea4fe9d7e.pdfIn PDF document text
  • https://cdn.sqhk.co/xivudebisov/mja7Jhi/ark_survival_evolved_ps4_price_cex.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4386347/normal_5fe0059e16925.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4455387/normal_60064a2871291.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413243/normal_602518ea582b5.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4457302/normal_5ff5849617002.pdfIn PDF document text
  • https://cdn.sqhk.co/nanijamu/jcDKXjb/paxolo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418574/normal_602ea91607f86.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4477162/normal_5fd8dc85488ce.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4409606/normal_6007536d9f3fa.pdfIn PDF document text
  • https://cdn.sqhk.co/xovikojux/iKgjfnn/41217450426.pdfIn PDF document text
  • https://cdn.sqhk.co/lukuvekeliki/ieZ5hj0/health_tips_for_covid_patients.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384296/normal_6027d6812b58a.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/lekelepowo/3340238643.pdfIn PDF document text
  • http://lenixad.epizy.com/sirigimasigupo.pdfIn PDF document text
  • https://s3.amazonaws.com/jalasilunaz/43170789436.pdfIn PDF document text
  • http://sujevulakaginig.rf.gd/zufomigupoputule.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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