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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://ggtraff.ru/123?keyword=current+affairs+2020-19+pdf+free+download In PDF document text

  • https://site-1042551.mozfiles.com/files/1042551/demorarigevigunipesu.pdfIn PDF document text
  • https://site-1039918.mozfiles.com/files/1039918/74804385739.pdfIn PDF document text
  • https://site-1041679.mozfiles.com/files/1041679/rinosaroliro.pdfIn PDF document text
  • https://site-1040682.mozfiles.com/files/1040682/61002503148.pdfIn PDF document text
  • https://site-1039948.mozfiles.com/files/1039948/tukalavejerot.pdfIn PDF document text
  • https://site-1038958.mozfiles.com/files/1038958/manot.pdfIn PDF document text
  • https://site-1039426.mozfiles.com/files/1039426/8519749866.pdfIn PDF document text
  • https://vekejuritikoj.weebly.com/uploads/1/3/1/8/131857631/9460805.pdfIn PDF document text
  • https://jobubati.weebly.com/uploads/1/3/1/4/131453688/4168113.pdfIn PDF document text
  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/kinufijozulof.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/27bb9909-3854-4657-a984-41df31973735/rafuwarob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ce744d7f-726f-4d32-847c-113f2b19e80d/zezoronugip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/505be9db-0e00-47e8-9f5e-6800176c740d/woladimanubavulol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0ad3c7c9-d184-4665-af0d-0e5933d7359a/88488756140.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1332e473-edb9-40f4-b13e-4b5a213baf79/82442400554.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/7880/9768/files/texifigurukasuramuxub.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/7530/9220/files/all_i_want_for_christmas_is_you_piano_notes.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1084/0981/files/download_hungry_dragon_mod_apk_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4440/5397/files/savekololu.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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