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://traffmen.ru/aws?keyword=words+with+the+stem+nav+in+it In PDF document text

  • https://cdn-cms.f-static.net/uploads/4420597/normal_5fa6090197126.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402720/normal_5f91970dc82eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409818/normal_5f96243b8ca7a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365655/normal_5f89975bb790d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380527/normal_5f8b8f48c92c9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366000/normal_5f8e4282358be.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/sakaburepagase/tozikejamasoses.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cdafb5b-5ca7-402c-b020-aac4702d872f/sims_2_open_for_business_guide.pdfIn PDF document text
  • https://s3.amazonaws.com/xenavuxa/12455117555.pdfIn PDF document text
  • https://s3.amazonaws.com/jadere/3285289487.pdfIn PDF document text
  • https://rabewinu.files.wordpress.com/2020/11/vukoro.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c1380f7-6b6b-4526-8064-989d7810510c/doenas_ambientais_e_sociais_plus.pdfIn PDF document text
  • https://zaxufaz.files.wordpress.com/2020/11/the_wounded_healer.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/08f06553-4cb7-4904-9389-1866fc34e3b1/1133994238.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d126463c-fb68-4d37-b4a7-b3bf0d50bc61/bill_nye_static_electricity_video_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 PDF document text

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