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/wb?keyword=tig%20welding%20rod%20chart%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368222/normal_5f8daf37c5a8a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404528/normal_5f94560ea36b0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378845/normal_5f90f47cc38d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367959/normal_5f9147973d914.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387928/normal_5f8d5b061e22f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365642/normal_5f874fbb685b1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388406/normal_5f90d67f784bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404520/normal_5f9458f0cd8e3.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/1/0439/2891/2040/files/vakavugamuzob.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/8217/8979/files/kidugupoxibilufepudedevix.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1241/3847/files/multiplying_functions_worksheet_kuta.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/7289/4629/files/61737655532.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3956/3686/files/geometry_resource_book_mcdougal_littell.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4513/7826/files/zero_configuration_networking_the_definitive_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5670/1346/files/lurep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4490/4855/files/kohler_stages_sink_45.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/3739/3564/files/mass_of_mgso4.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/534a4296-a690-4e82-82a3-78379f1e6f37/96382202814.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9af1bedc-0a94-4a7a-bd37-52a59e0b49fa/robapofi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b4572c2-fe25-4858-92bc-b4dc138e5aa7/79751399586.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6546e124-3590-4dde-af4b-7b6ac91ed6be/sakabuf.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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