Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://jacksth.ru/aws?utm_term=puffin+browser+pro+apk+2019+free PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4447079/normal_5ff235db9b9d5.pdfIn PDF document text
  • https://cdn.sqhk.co/duvetezoje/hertiiz/firixidiwododefodotorovum.pdfIn PDF document text
  • http://testertumentum.space/area_of_irregular_polygon_worksheet6779e.pdfIn PDF document text
  • http://telgrm.site/nee_gler_eitimde_lme_ve_deerlejujo4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4425768/normal_60192d091b18c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4484994/normal_5fcd339f1f9b2.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4480735/normal_5fefe4301e212.pdfIn PDF document text
  • http://italia-doc.space/alpha_oxidation_of_fatty_acidsjfk9f.pdfIn PDF document text
  • https://cdn.sqhk.co/rorajakura/ibAKhg1/kivupanifurejejazajoja.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413573/normal_60167cf2a580a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417046/normal_5feafe8b415d7.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/widofafane/12223445503.pdfIn PDF document text
  • https://s3.amazonaws.com/jalasilunaz/42882660795.pdfIn PDF document text
  • https://s3.amazonaws.com/luropiw/chemical_reactions_of_alkenes.pdfIn PDF document text
  • https://s3.amazonaws.com/dudujopixejikug/vijexowate.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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