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://cctraff.ru/aws?keyword=a+little+history+of+religion+pdf+free In PDF document text

  • https://cdn-cms.f-static.net/uploads/4383475/normal_5f92c8999b1e8.pdfIn PDF document text
  • https://radisowe.weebly.com/uploads/1/3/4/3/134366404/kudanazomig.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365555/normal_5f897646ea050.pdfIn PDF document text
  • https://kavirozix.weebly.com/uploads/1/3/3/9/133999962/480f5b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382966/normal_5f91fe8295da5.pdfIn PDF document text
  • https://sexozorojupur.weebly.com/uploads/1/3/4/3/134390270/8266340.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367019/normal_5f902c42bcdd9.pdfIn PDF document text
  • https://jiwadurator.weebly.com/uploads/1/3/0/7/130776405/d357973b93c.pdfIn PDF document text
  • https://diveziriluro.weebly.com/uploads/1/3/4/4/134447321/kuson-fisojar-pukeruwaxarug-lejakapabudeven.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402000/normal_5f94feb927d96.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://uploads.strikinglycdn.com/files/5210820e-e2a2-42a1-a3c1-aac9074d7ddd/sistemas_de_estructuras_heino_engel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e7f8754b-6b53-4830-b137-5df59d5adf75/58554811854.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3082f9f0-f292-44ca-b24a-3f88cdafdcec/the_art_of_war_niccolo_machiavelli_download.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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