Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://traffking.ru/123?keyword=characteristics+of+stars+worksheet+answer+key In PDF document text

  • https://cdn-cms.f-static.net/uploads/4392457/normal_5f95fc1b6cf7a.pdfIn PDF document text
  • https://varipejat.weebly.com/uploads/1/3/0/7/130739080/4c8650d8e0c14.pdfIn PDF document text
  • https://jagozuru.weebly.com/uploads/1/3/4/3/134360529/e84b7ff808.pdfIn PDF document text
  • https://buxivadoga.weebly.com/uploads/1/3/0/7/130740323/morudukotagulepikil.pdfIn PDF document text
  • https://fiwerabonu.weebly.com/uploads/1/3/4/3/134347662/kuzuluxa_pimadekowiw_dikosuwewetuz_xubabedujeles.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382631/normal_5f979848634f2.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/felasorarabipis/bizexovolojalubunoxixo.pdfIn PDF document text
  • https://s3.amazonaws.com/zomuzigo/60248153148.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/60c01cee-f7d9-4c4e-b20d-b2bdece762b7/31938630481.pdfIn PDF document text
  • https://s3.amazonaws.com/pusolefosex/go_math_grade_4_chapter_3_answer_key.pdfIn PDF document text
  • https://s3.amazonaws.com/ditiruz/52797039246.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d5e397d4-323b-4169-85b9-4b084bf4a38a/henry_clay_frick_house.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/417509078.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3d1f1c6-9985-4285-93b6-af59bc48e336/gitumaxug.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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