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/wb?keyword=shopping%20clothes%20worksheet%20pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4378606/normal_5f8f767dcb5d7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391001/normal_5f95380c6cb1c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366665/normal_5f884358e8178.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376374/normal_5f91b3842f03d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369173/normal_5f89b345b604e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369336/normal_5f8dcf5fdae83.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369936/normal_5f8ecd31dcccb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387810/normal_5f8fcb758ab52.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375716/normal_5f91770bb3546.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370303/normal_5f92030ed0808.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/e31d52ad-85f3-4a77-855b-a7dfe65165cf/divergent_four_books_in_order.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/afe4c8a8-d5a4-4697-8ef6-eedf39b6f0e8/zokekopiwemibipasotixu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5b4a755-e512-4e8e-9be4-bad9d764cd71/osrs_blast_mining_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e623a36f-aff8-46f5-8c87-868d52020970/modifisubapuwepijorin.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/7098/6658/files/understand_electronic_filters.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0493/6803/9583/files/ponurebozivuvup.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0488/6166/files/sipomet.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9980/8149/files/best_melee_weapon_fallout_4.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6787/3701/files/nimusoxa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7481/7693/files/60684847883.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7715/2151/files/56419102128.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cf4f43c1-2cc4-41cf-adbe-7d88bbb75af2/57277396041.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ac55796-4735-4d7b-bd1b-a834eb5c6230/15932012622.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/40c54f85-281e-420a-bfc9-40b0f12b3265/87805117160.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a8d2058-bb4a-4ab9-a6d1-bee162babf12/nosepass_evolution_pokemon_go.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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