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.link/aws?keyword=architectural+styles+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4376087/normal_5f8a6443d1567.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382429/normal_5f92a4d461f7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392651/normal_5f926b33d5188.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368500/normal_5f906ad4b7091.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370268/normal_5f8cc07e907cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375087/normal_5f90afcb46b11.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365600/normal_5f891b92cebbc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365646/normal_5f92412a72353.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006b7b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006b7b.bin)
  • https://s3.amazonaws.com/pazifetanegapu/vabudofudi.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/administering_medication.pdfIn PDF document text
  • https://s3.amazonaws.com/xipavir/washington_state_driving_test_book.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/sufivelamekenojosotinadi.pdfIn PDF document text
  • https://s3.amazonaws.com/sivanira/29673589978.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/923e1a4c-97ba-48cb-969d-88e52663b6a5/24893266020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7598eab1-03f6-4f9f-b896-1db42eefcddc/8629919918.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4df9c0dc-507c-4df2-810b-46744cf5a7c3/84941726236.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/67366c09-29cc-47ae-af71-8becf7f77d29/81666802288.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/57834658998.pdfIn PDF document text
  • https://s3.amazonaws.com/kopisigapub/zoruduxuruf.pdfIn PDF document text
  • https://s3.amazonaws.com/legenapi/naming_3d_shapes_worksheet.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 extracted file (font_00_sfnt_off00006b7b.bin)

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