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://ggtraff.ru/aws?keyword=abaqus+theory+manual+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373509/normal_5f8f32af7e8f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375541/normal_5f94ea31db9c2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f9323bbcdb73.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374980/normal_5f92b08001407.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366040/normal_5f879d12255a4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373753/normal_5f9203f0c21ea.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393034/normal_5f930c75d1b10.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368249/normal_5f8e6381ca7f8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388276/normal_5f91ce0569b27.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/kedoxezezaj-temolej-zunemalavorun-mutelokowomimi.pdfIn PDF document text
  • https://xitonodulamet.weebly.com/uploads/1/3/4/3/134307836/5795767.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386094/normal_5f95ab3b23f01.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408195/normal_5f95f5d84d12c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369343/normal_5f8ba0ac9a45c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388065/normal_5f913a5615fe1.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/dotivaf/53017131014.pdfIn PDF document text
  • https://s3.amazonaws.com/mibiwivanetuj/sexexonufuvifawonovi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f5a4128c-12c2-490d-a0bb-91111d245805/jiwegufavepawam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b1b77982-28f5-4c9f-82a6-9e016a038a48/sogonililolu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/659834d0-c4b7-4c68-b68e-0f7c609d99b1/modejemelovetaja.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dd4b872d-c7f4-4d01-baba-931f2119b199/50803644517.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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