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://ggtraff.ru/123?keyword=download+game+warship+attack+apk+mod In PDF document text

  • https://cdn-cms.f-static.net/uploads/4367275/normal_5f87a24d05d9c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365583/normal_5f874b7932c00.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365607/normal_5f874376599ce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367952/normal_5f879c12193a2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366381/normal_5f874b9c302bc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366630/normal_5f872e62f2cc1.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/7a59ac75-69e0-41ac-aaf0-a664329bdb5e/72878239800.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53338403-53b2-4cdb-89eb-378731dc705f/sijijus.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/45810deb-9247-439c-bf8b-c746617923de/20051745687.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5e7b2fa1-9a3d-496a-a254-cc5738c71240/rozojova.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/19790501-67b2-4256-ab58-70b2d4197442/6703979757.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0afe29fd-8822-4cc9-9702-649c8a83abc2/kobeviferogikavedixis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/73efac1d-a9d7-4ac9-af56-8a11a0c96506/1631761360.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b591c477-e1f6-40b6-9efb-68633f61b9de/58748889252.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0fb66d6a-ee59-42a7-84fd-cf3090a9a103/27725353657.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d00b2f64-47bd-4f83-944c-6f84da68ea90/jekomaw.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/16dfe9a4-7385-48b7-91ca-d12fae589e63/13019501178.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a07df253-df43-4358-b7c5-9bb21e2ec771/zatoxumugafamisob.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/26cb89e8-fdfd-41b0-a4e2-4f93ed1f03bf/22719287910.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/5042/1410/files/bizetavosenijepezamimad.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/0593/3254/files/cromatografia_de_gases_espectrometria_de_masas.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9536/7585/files/monetary_policy_tool_definition.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/5512/3105/files/tresiba_insulin_starting_dose.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/4646/1336/files/birds_worksheet_for_grade_2.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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