Malicious PDF — malware analysis report

Heuristics 5

• 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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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/strik?keyword=parker+knife+price+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379473/normal_5f8b90764261b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366336/normal_5f8b1724bdf73.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370268/normal_5f8b0a4fbf25f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369657/normal_5f89c1726bee9.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/leguvefu/10064036903.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/refractive_error_of_eye.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/batugufevabil.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/51006471715.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/7005/8407/files/sasinaduti.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6286/0197/files/gofevutu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1291/4332/files/2817375088.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1750/1853/files/riruviju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad375291-7f0c-4132-946d-6566f3621a76/algorithm_for_finding_prime_numbers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9feaa432-ac8b-42a4-b09d-aff8cd496914/11874259717.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a7373d10-00f8-4f63-9ca8-e28d2de9e532/15838639911.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e33fd65-360f-41cc-9e95-931daedc5ff0/wuvokadoz.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/funadow.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/aircraft_engine_parts.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/33446206720.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/water_borne_diseases_symptoms.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/17838892968.pdfIn PDF document text
  • https://s3.amazonaws.com/wilugugo/24019922430.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/barinijogepepitu.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/carcinomatosis_meningea.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/gusutimux.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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