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://gettraff.ru/aws?keyword=north+carolina+dental+society+annual+meeting+2020 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382430/normal_5f974ed7b9b5a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374983/normal_5f8a9956235cd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380073/normal_5f8c9fb1a9f34.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375509/normal_5f8fc67e8c669.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368230/normal_5f8ddd4ebcc60.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366309/normal_5f8ceac153565.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367631/normal_5f874b08446af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369781/normal_5f8e64797185e.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/nademopor/draw_rider_plus_apk_mod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/59eb4515-6564-4481-b58e-f222ab736976/kinezovobisudejalunelez.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c92fc4d-d122-4340-b13b-95093beab4f9/78092276757.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2b516982-8b68-46d8-861c-5a582df2c2f4/lalawedafasu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ac09b49-14f8-4185-aef9-df75d008c2b1/law_of_property_act_1925_section_196.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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