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/123?keyword=measurement+conversion+word+problems+5th+grade+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366327/normal_5f87273877a7c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366646/normal_5f89ec706a221.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369187/normal_5f8a19c36d1d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374364/normal_5f8b811fbb7b0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366044/normal_5f875e4c1ba25.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367656/normal_5f8906de2095a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368972/normal_5f898ee18829f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368496/normal_5f899ce7010c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366003/normal_5f8755735d2b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375350/normal_5f8b91c186036.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365549/normal_5f8b18b61df87.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372753/normal_5f8b66d649ae1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367644/normal_5f889a76ee4fc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367952/normal_5f891057f117a.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/1/0440/7777/7061/files/bujuvilifagajezo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/4258/4760/files/garmin_gpsmap_64_sx_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/5701/5701/files/gibbs_free_energy_worksheet_answers_chemistry_if8766.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9477/9051/files/map_of_montana_wyoming_and_south_dakota.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2810/2343/files/traditional_ways_of_communication.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/2372/0602/files/fear_the_walking_dead_directv_channel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3464/1052/files/female_pirate_costume_makeup.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6001/4487/files/triangle_congruence_review_worksheet_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/9611/4847/files/log_home_decorating_ideas_pinterest.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/8984/6168/files/sewiwezet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5247/3252/files/roll_on_big_mama_chords.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/5338/3581/files/cell_transport_mechanisms_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 PDF document text

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