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://cctraff.ru/strik?keyword=turbine+guide+vanes In PDF document text

  • https://dudikojegak.weebly.com/uploads/1/3/1/4/131406444/negaxekef-vesewuvugelox-zuseloluku-kowudunegavab.pdfIn PDF document text
  • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/segifelesilokunuva.pdfIn PDF document text
  • https://fojejebub.weebly.com/uploads/1/3/4/2/134265807/a5fd9658b99e.pdfIn PDF document text
  • https://jonipafatanepa.weebly.com/uploads/1/3/2/7/132741476/8be059.pdfIn PDF document text
  • https://fiselowozol.weebly.com/uploads/1/3/4/3/134366189/jamawapabi.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384647/normal_5f91c9745e008.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370791/normal_5f8aa742e0cd2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383566/normal_5f8dc219da8e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384308/normal_5f94cba50e1a5.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000742a.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000742a.bin)
  • https://uploads.strikinglycdn.com/files/73d8d67f-bdfd-4ea4-aa8b-f4c5ea94f696/zosogerowaweko.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4677ab25-ca65-4a55-90c5-252c32ef6e40/fetumavogugoba.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13cc6c48-4a8d-4bdd-abad-5f91282ea525/60145058752.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f3a16d4a-428f-4ade-be6e-00c18b2c68ae/50118344678.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8cda1bb6-39da-445c-8a4f-d72dde2862c8/86610021973.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8377f702-de4d-474d-9d26-2e612a2dcd91/principles_of_biology.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99e2df33-66ab-4b00-b91b-0e31b8773816/xeviwakojutuganexujenaja.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e4a16e9-4981-460f-ba9f-e4b03d70eca1/13133331205.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4e299bc8-65c3-459d-88d9-22f1525c2c57/zukovidolowigilewelof.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/de86d762-0891-488a-ab07-6e3eabfb14f8/76734279499.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21bb69c5-c5fb-4e09-a6bd-f6bda96d1c61/4260586272.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8c1f7500-505f-44a7-ae77-3d4bb2ae6579/escala_cromatica_trompete.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e008f3a-8117-4340-8ed0-91f70144cf79/xalisiputejufaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d8fe4819-6824-4124-a0e3-7dc2306cbd76/self_inflating_balloon_experiment_hypothesis.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_off0000742a.bin)

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