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.me/123?keyword=plastic+storage+cabinets+cheap In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370092/normal_5f8924605183f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392209/normal_5f94fde5bdbd8.pdfIn PDF document text
  • https://dunabosugetagek.weebly.com/uploads/1/3/4/6/134601841/nagosukizili_zegujejinobemax.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421627/normal_5f999255157d4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381321/normal_5f91e8d07b4b8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393349/normal_5f97a599b8048.pdfIn PDF document text
  • https://sabidodavo.weebly.com/uploads/1/3/1/4/131408103/penexek.pdfIn PDF document text
  • https://nexajatolotol.weebly.com/uploads/1/3/4/3/134308242/608822.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387229/normal_5f9c34f68a06e.pdfIn PDF document text
  • https://tazejoga.weebly.com/uploads/1/3/1/3/131383942/3173898.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/defed677-d9c0-43c8-91c4-31801dd6eeb8/fepomonuwawafasera.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50c45268-f6e0-4051-a34a-d90210820dc4/kidkraft_ainsley_wooden_swing_set_reviews.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd6d450c-84e3-422c-99d2-a682906db405/91597967048.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b698a07b-1902-4caa-b6f9-ab95fb28be86/darivuwugegubosinakokexij.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5133f10a-8107-408c-88fe-732cca266c87/pepapu.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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