Malicious PDF — malware analysis report

Heuristics 4

• 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://traffset.ru/aws?keyword=dna+replication+drawing+worksheet+answers PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4376854/normal_5f9808db65820.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403954/normal_5f959313910c7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419626/normal_5f9f6066079ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369648/normal_5f93d7f57a2df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375070/normal_5f8e00f7d7467.pdfIn PDF document text
  • https://fobuxowomi.weebly.com/uploads/1/3/4/2/134235628/fupulataralag-minukevorib-luporabanarax.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384817/normal_5f94e8f8ab8cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4385206/normal_5f8d39e37b04a.pdfIn PDF document text
  • https://mebavowu.weebly.com/uploads/1/3/4/3/134353315/2504198.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/921d305a-fc35-49f9-b583-69dfd29a6d03/1934503516.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/97ab539d-1701-422c-94bf-f6f1532cf303/download_free_amortization_schedule_excel.pdfIn PDF document text
  • https://s3.amazonaws.com/mejawiwomak/aircraft_structures_for_engineering_students_t._h._g._megson.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99ae767a-61df-4035-b3ad-4ac4460b38cf/11816375336.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fe30c85c-6e42-4ac2-874d-deff7555a5df/mevajoxapefale.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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