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=2014+kia+optima+rims In PDF document text

  • https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/dilaxi.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/gapovowumepekegosiza.pdfIn PDF document text
  • https://nobinetezo.weebly.com/uploads/1/3/0/9/130969761/6b3d598.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367903/normal_5f887cb34b041.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365525/normal_5f870bf5678ce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365659/normal_5f86fa9d9c768.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366008/normal_5f86f57ba1fe2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368971/normal_5f889b413bd9d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367911/normal_5f8760d370554.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/7af4bb85-7c76-4963-a607-0fd2dd6e2d74/65929164938.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/df053934-f872-4033-a4cb-f63b8edaaffb/177560297.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a333f8f4-48dd-46f8-b9e3-1399fcac8aaf/13384270946.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cdb70b42-b148-4189-bb13-f5cdbc0fb3ae/8305707023.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac9b49fe-ba17-4db7-92ec-81967c41a86e/63193754480.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4c8c6175-9ebe-4989-99bf-62f32dd6f3cd/ribaposapimumaj.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7510/1382/files/zevipupudobizu.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/6794/0250/files/the_odyssey_crossword_puzzle_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8640/4000/files/troll_face_games_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1915/9717/files/psychosocial_nursing_diagnosis_for_chf.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/9774/2230/files/vanders_human_physiology_drive.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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