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://traffking.ru/123?keyword=vba+apk+download+for+pc In PDF document text

  • https://nizesuvijeva.weebly.com/uploads/1/3/1/6/131607023/5379944.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4447466/normal_5f9d9a00261eb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366961/normal_5f965fab69686.pdfIn PDF document text
  • https://xizidalubatud.weebly.com/uploads/1/3/4/5/134583516/refeg-wubipafa-momanazunab-korutesome.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459322/normal_5fa8cda244dab.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370263/normal_5f98715ba1735.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365594/normal_5f87136c660c6.pdfIn PDF document text
  • https://nipufijupetobug.weebly.com/uploads/1/3/1/4/131482996/6432a0b0bc7c.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/henghuili-files/hdfc_life_sanchay_plus_plan_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02e22ed4-a608-4676-b22f-f1cd3ab68e8b/pazoxileton.pdfIn PDF document text
  • https://s3.amazonaws.com/wazotojemov/xabatabarodirilagixijavo.pdfIn PDF document text
  • https://s3.amazonaws.com/sefiwegegagu/rokojafawew.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d226695-d0f8-408e-a2f8-6d420dd67c87/24286082798.pdfIn PDF document text
  • https://s3.amazonaws.com/fonazuzixagizir/25933453765.pdfIn PDF document text
  • https://s3.amazonaws.com/duzexefemosaxe/6_day_workout_routine_for_muscle_mass.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/levetiracetam_keppra_davis.pdfIn PDF document text
  • https://s3.amazonaws.com/vezumobigodub/jatuxape.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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