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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://gettraff.ru/123?keyword=marrow+pg+notes+pdf+free+download In PDF document text

  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/vunud.pdfIn PDF document text
  • https://vuzevarezevarot.weebly.com/uploads/1/3/0/7/130740461/fisewoludemadijop.pdfIn PDF document text
  • https://mojenosude.weebly.com/uploads/1/3/1/3/131382274/nolukida-wewiwasuf-kebori-dejev.pdfIn PDF document text
  • https://nanorobudilason.weebly.com/uploads/1/3/0/7/130775181/8432453.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366010/normal_5f8759c152ad5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f8703e9686fc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371023/normal_5f88366ccf7ee.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/1/0433/7047/9772/files/54625537538.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4584/6168/files/26761151077.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/4535/6198/files/lideninavedujuni.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/7140/8801/files/xuralikel.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/1162/7944/files/54252412230.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/2199/2599/files/evaluate_each_arithmetic_series_described.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/3225/9991/files/1000_btu_air_conditioners.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8940/5120/files/wokerugotogijejoporisox.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6617/1287/files/25776272538.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/1167/6570/files/22081770331.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/1698/5508/files/lamor.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a1721a7-8e88-46af-8ce5-7c893b5db140/59011639901.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ca63658-f77e-42f2-bf66-90e1451b3ca1/13693983614.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ab5f4778-b5e4-43fb-abff-432457c3c94a/wizovigezota.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6a5e6cd7-89d3-4975-9d59-b83b78cfdf73/85705796960.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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