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=uniforme+psg+2019+dls In PDF document text

  • https://batagokefo.weebly.com/uploads/1/3/1/0/131070859/0d5d2365b4e60.pdfIn PDF document text
  • https://lipowuripipu.weebly.com/uploads/1/3/1/3/131378852/637ae81d038.pdfIn PDF document text
  • https://gurigibafex.weebly.com/uploads/1/3/0/7/130739571/88b40badd.pdfIn PDF document text
  • https://tavumake.weebly.com/uploads/1/3/2/7/132740551/9e4e5d8f19.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365636/normal_5f874c40e2398.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380090/normal_5f8bd766c0e7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367000/normal_5f872e9569694.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367952/normal_5f883dedc260b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366034/normal_5f870e11cd20f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379723/normal_5f8a6ac7b2805.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369508/normal_5f8ac5181228b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368742/normal_5f881e01c5340.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/4ebbd171-328e-49e8-8239-fc14f85e48fd/mibutoruzusebupebe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c2876ab-df53-4f05-b2eb-d0eddadd8914/nidobogimekuritij.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ed7e5c3-d5ba-4203-93b1-89af2cb417dc/62882938962.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/9135/4534/files/paytm_mall_apk_for_pc.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8393/2851/files/gamefowl_bloodlines_list.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/1731/2152/files/east_texas_trailers_stores.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/11eec5b8-7fba-4cb9-af4c-448e02ee7206/tiripafategidi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc53c32b-4c88-474b-b90b-1035bd71558b/32205157301.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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