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://ttraff.cc/123?keyword=consolidation+accounting+questions+and+answers+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4374178/normal_5f945bbaca872.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374021/normal_5f92e1d058df6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374374/normal_5f8a8a2e843d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366043/normal_5f8737eaca417.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369659/normal_5f883f423b848.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374838/normal_5f907bdd22f97.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f885a9dbcb1a.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/a6c7f3fe-5fb9-4691-8b85-3c18f37c2220/40602718525.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53566aad-5d62-4442-8979-dde5b66ba5da/suxalup.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f45b2305-ed77-4680-939e-c48dbf19869d/vozisexojutivopoxazaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ff2bdbc-cc81-4475-8312-383fa980fdaa/insan_kaynaklar_ynetimi_kitab.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62cae5d4-0632-4f8a-86cd-6e00f0caf564/bourbaki_a_secret_society_of_mathematicians.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c3b05478-482e-431b-9beb-3ad9d31f25c2/joven_de_hoy_felipe_garibo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d6180b8-e16e-4eb2-bdef-089cf1321cf5/75940150747.pdfIn PDF document text
  • https://s3.amazonaws.com/purawuma/2020_calendar_design.pdfIn PDF document text
  • https://s3.amazonaws.com/jajoxulabojaso/constitution_of_pakistan_1973_with_amendments_in_english.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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