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://ttraff.ru/pify?keyword=whatsapp+apk+descargar+para+pc In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368750/normal_5f892b06aecd4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f86fc3212911.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368979/normal_5f88be57894d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365563/normal_5f891abe48d7b.pdfIn PDF document text
  • https://lupolaluxu.weebly.com/uploads/1/3/2/6/132681144/1130073.pdfIn PDF document text
  • https://xebikazogede.weebly.com/uploads/1/3/2/7/132740990/b14c538121.pdfIn PDF document text
  • https://risimukino.weebly.com/uploads/1/3/1/3/131383953/2115449.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366973/normal_5f8888b018fe8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372101/normal_5f8891c259bd6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370087/normal_5f88bdf73385c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366043/normal_5f87242a3b372.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367299/normal_5f8771f4c2e02.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/1/0431/5060/6496/files/wpa_outcomes_examples.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/1556/9060/files/lazy_boy_small_recliner_covers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1033f95e-546c-4ff2-bfe4-5059f7b14ecc/99522840153.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1619811c-1ccd-4a4a-8260-000d8fa4099a/92083373039.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/063b5ea5-9597-4d04-bf6b-db76b04ae32d/66858585793.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bdb1dc3a-f340-40a7-bb9d-056b45c4d20c/lepaseburikabopovokutav.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ca8b68e9-a588-4cfa-a5f6-dd7e5ebef6ac/kapeniwaludag.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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