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://gettraff.ru/123?keyword=best+video+recorder+app+for+android In PDF document text

  • https://rewemekekebaz.weebly.com/uploads/1/3/1/4/131406535/474185.pdfIn PDF document text
  • https://rezizeme.weebly.com/uploads/1/3/0/7/130775554/f390996b3af2.pdfIn PDF document text
  • https://wuvirinofibugiz.weebly.com/uploads/1/3/1/0/131070402/nugaratidabeduviz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f872a54844f3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366063/normal_5f8735d8ef8ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365570/normal_5f8708d416b29.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f873054c3ef8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366011/normal_5f86f6356e36c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365635/normal_5f872c20e313f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365540/normal_5f87346686b62.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/9a6b1248-0d90-4494-95c5-cb822b06d9be/28983973509.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9d8eb902-49cf-4730-aa22-c14f204a3d85/67929769444.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/378a099a-2020-4d58-8e35-5e931a239ab2/50393258006.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f95f30ac-370c-48ee-ad2d-41c372165f54/515444121.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/277b6986-7c6f-4fc9-9a16-bb695eb328eb/jazezegeb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/3846/6471/files/gizmo_fan_cart_physics_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/4113/2191/files/19782286995.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2687/3509/files/lords_of_madness_3.5e.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2276/1122/files/june_2016_regents_answers_chemistry.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/8768/1952/files/samsung_galaxy_tab_pro_12.2_charging_cable.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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