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=defense%20acquisition%20guidebook%20pdf In PDF document text

  • https://bubixoduxufito.weebly.com/uploads/1/3/1/0/131070588/natixa.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/7971455.pdfIn PDF document text
  • https://vimiwegom.weebly.com/uploads/1/3/0/7/130775837/koguzul_lobuw_nizuribefumifo.pdfIn PDF document text
  • https://keniwuki.weebly.com/uploads/1/3/1/4/131483234/7885719.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365575/normal_5f874e364d518.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370768/normal_5f8ec42fe9c24.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389090/normal_5f8f5e3856ae6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377656/normal_5f8a9fcf8c457.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370528/normal_5f8b9e35467b4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370076/normal_5f8a1632d2a7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372378/normal_5f89154bd6783.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373504/normal_5f8d7f130a5b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369520/normal_5f8b4727d3107.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/8acac91e-5b66-48b2-aa53-5cff32a26c70/podaliwodaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/05506e01-894a-4852-a1fc-3360403cdffe/85432045384.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f73f6686-ab61-46fa-bdb8-0d5a8d1b9237/63014117787.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/639f361e-64cd-4395-bde3-6a732e970c98/79060562515.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/2417/7093/files/zamzar_to_ppt.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2448/0416/files/51242882937.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5289/8739/files/kendig._enfermedades_respiratorias_en_nios.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/2065/0149/files/gw2_necromancer_gear_guide.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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