Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://dodapufil.weebly.com/uploads/1/3/0/8/130813701/1315410.pdf.
• 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.
• 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://gettraff.ru/aws?utm_term=pubg+mobile+esp+aimbot+for+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4464315/normal_5faaf0b775da5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421468/normal_5fb516c8ebb01.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4496148/normal_5ff7828d9bb63.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4423195/normal_5fce5ad414b02.pdfIn PDF document text
  • https://dodapufil.weebly.com/uploads/1/3/0/8/130813701/1315410.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391896/normal_5fbafa9e862e2.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4404512/normal_5fef1506a8cb3.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4460706/normal_5fcad0f1bb7c7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4478687/normal_5fdc1a243d83b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415322/normal_5faee45fd93ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371266/normal_5f89d29f293f8.pdfIn PDF document text
  • https://site-1171776.mozfiles.com/files/1171776/learn_javascript_free_book.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451230/normal_5fbee0d433e2b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4489848/normal_5fce32276f831.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4471959/normal_5fd046e46ede9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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