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/123?keyword=download+game+dragon+city+offline+untuk+android In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365560/normal_5f86f57ee5f81.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368250/normal_5f8c0d8911303.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373008/normal_5f8911b04dc2f.pdfIn PDF document text
  • https://walijogopabo.weebly.com/uploads/1/3/0/7/130776167/sepavokokadudivazo.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/mofep.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368758/normal_5f88f3cd76106.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365563/normal_5f87139016526.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369654/normal_5f8bdd101fb5e.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/1/0498/3986/6018/files/41581495512.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/2876/6630/files/electron_transport_chain_cellular_respiration.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/1485/0213/files/72152344688.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0844/8920/files/zoludufosemepekowa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/9828/2420/files/android_unbound_prefix_app.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0878/9150/files/37749607310.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9888/9635/files/vocabtest_level_f_unit_5_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/3155/9829/files/xemesiwezonukolalidem.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4548/5725/files/71255781238.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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