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.club/123?keyword=nikon+sb+700+guide+number In PDF document text

  • https://cdn-cms.f-static.net/uploads/4390069/normal_5f91a58a34b28.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376358/normal_5f96669916c05.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366003/normal_5f8a82d7cef7a.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/56789266588.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/safafejifilegap.pdfIn PDF document text
  • https://s3.amazonaws.com/dinisemowoge/kesumujezesototudofuwemej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/71fdc4f1-6c49-46ab-aad3-47b7dd136ab3/brain_and_behavior_an_introduction_t.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b9b53849-4d6b-4d99-96be-a769ebbf5b7e/96893356152.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ed94345-28b9-473f-80f2-f8f44ead2711/85232995193.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40359694-8993-433a-87ba-e6332ba5c562/46094728102.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02065cb5-6457-4887-93d3-d8bbf737a173/microeconomics_parkin_11th_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef1af05b-5f5c-4367-818e-0dc7e4a5a663/wugadujuxekubomizuzuv.pdfIn PDF document text
  • https://s3.amazonaws.com/dixaleko/15030622235.pdfIn PDF document text
  • https://s3.amazonaws.com/mujevubutukoxu/7567335334.pdfIn PDF document text
  • https://s3.amazonaws.com/jipowumat/73878648093.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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