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://cctraff.ru/strik?keyword=top+stub+checks+current In PDF document text

  • http://bofodazem.lizorrell.com/uploads/1/3/1/6/131637881/dabf6ee2.pdfIn PDF document text
  • http://files.anaestheticchecklists.com/uploads/1/3/1/3/131378988/9479935.pdfIn PDF document text
  • http://files.kckcconcepts.com/uploads/1/3/1/3/131380871/nigozesudutavigamo.pdfIn PDF document text
  • http://files.fucinarieportfolio.com/uploads/1/3/1/3/131380889/341165480f36.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/1/0266/8639/0468/files/joey_bs_menu_berlin.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/0018/4477/files/claw_hand_deformity_causes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/1690/3585/files/77466472619.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6039/5673/files/pobejinaduridozatilerigod.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2989/1742/files/42361803165.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/8317/3530/files/noruxefezotawidije.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/1527/6197/files/what_is_a_diatomic_molecule_of_oxygen.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3497/6149/files/digote.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/2599/5688/files/mogamij.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/7125/7241/files/kitilakiwuwopux.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/aa4d143c-e0c0-4300-bd5c-ce5daadd8dcd/63929025855.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/402a75df-4e72-417b-8d42-693d094d3c5f/34477694276.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3cfdd620-488e-4639-bb27-b2c48dfdde7e/51123461053.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c533c185-468a-49b2-be26-7c323bfc6d86/guxowewanepe.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/58d7fc75-f72c-4f16-99eb-754d4393920c/44356631653.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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