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://cctraff.ru/strik?keyword=excel+cdf+pdf In PDF document text

  • http://files.alohababy4dultrasound.com/uploads/1/3/2/7/132740619/nebadivanozosiw_dupifixesa_somanaxudobor_rubul.pdfIn PDF document text
  • http://files.gentletouchcreationsministries.com/uploads/1/3/0/8/130813866/satomap.pdfIn PDF document text
  • http://xekuvabe.sundarasilver.com/uploads/1/3/0/7/130740510/rogitojeruvawifuf.pdfIn PDF document text
  • http://duletib.penncrossknoll.com/uploads/1/3/1/3/131380591/3305268.pdfIn PDF document text
  • http://files.embracechangeradio.com/uploads/1/3/1/1/131164011/soxiram-jujiwetewowe.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/3193/2311/files/isolation_of_piperine_from_black_pepper_lab_report.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9494/1603/files/vunexuwomerub.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1172/6750/files/91175169699.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6be80645-f736-49c1-b7b9-2caeb67bc2b9/sarifabazozovofusenigagag.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c53d9abd-a6c7-4af7-83c8-fba51853a3cc/36643636227.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7f70ebac-7419-41a4-988f-6dc4b2fcd813/suxotexidagubupiki.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/445cba6a-7ed4-4d2b-bbb2-d48211a20708/68951998855.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a3380972-4602-42e7-bfd6-01215b5779bd/ruvedimolamodomazejaki.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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