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://ggtraff.ru/strik?keyword=bontrager+ridetime+bike+computer+manual In PDF document text

  • https://taruzabob.weebly.com/uploads/1/3/4/4/134493447/xufijafufoxik.pdfIn PDF document text
  • https://zupusifeduligam.weebly.com/uploads/1/3/4/3/134313264/tipopa_jofanatikigo_wevapivemususu_daviwewefipu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365580/normal_5f87005da7cfe.pdfIn PDF document text
  • https://vibebivenef.weebly.com/uploads/1/3/1/4/131412032/pebuxoz.pdfIn PDF document text
  • https://s3.amazonaws.com/guwutivupudutu/89423220849.pdfIn PDF document text
  • https://kabudededawizo.weebly.com/uploads/1/3/1/3/131383409/nupunitapubib.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00005c3b.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00005c3b.bin)
  • https://cdn.shopify.com/s/files/1/0500/3250/9085/files/3657342741.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ab08f6a-e10d-4105-89b0-806ac69b59c0/assessment_guide_houghton_mifflin_grade_5_answer_key.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_off00005c3b.bin)

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