Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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/123?keyword=example+of+alert+dialog+box+in+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370087/normal_5f8a2f9c66943.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366308/normal_5f8735fff14e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367287/normal_5f88ac509d66c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370541/normal_5f88aca2e1e84.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366033/normal_5f894075b49a5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365542/normal_5f887d599c1a6.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/af86359c-60af-4304-b630-4f615f36c624/zulipuwixexojif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/25877d99-8d2f-499c-b811-2612a91a651a/98648222698.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b64c14cf-3461-497d-93af-b6a39293f6aa/nodozokerukudigulodofusan.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6296d6aa-1a78-4906-b346-30c204917e1f/11596194758.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ed038708-7be3-4123-bfba-b6d66bc8c86a/9185724756.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d932d745-a03a-44d6-b0fa-7f3d8ac4b3f3/75756295148.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/190cf266-6dfa-497a-b32c-9397f527c7f3/85394457346.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8c07ca7-e9ba-4ca7-8710-4e732f8770f0/60297050973.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/834c493f-d964-4872-8237-17321fd2dd6e/91615444609.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d0ded0f-ee9e-4d64-b346-537c5f3723e8/88085485600.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/50722b87-c202-4977-9440-da707178cf90/likugixusalugozetezog.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/21b4363c-2a1e-4a72-b4c4-966fa5afd80f/zoxenufipesasuru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7dd7d9bb-403a-4b57-a5a5-68f5105d636d/dukamemijujilop.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/1461/8277/files/2020_jeep_liberty_shop_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9675/1771/files/tizuz.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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