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=agenda+2020+pdf+gratis+para+imprimir In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366040/normal_5f891302313b1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369507/normal_5f883bc4163db.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365634/normal_5f891c1382fe0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366365/normal_5f8966af191af.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374968/normal_5f89ad87cd55a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366395/normal_5f8a5dce3c6dd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366028/normal_5f8a1ce3a1546.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/8347111.pdfIn PDF document text
  • https://dowamiwimeguv.weebly.com/uploads/1/3/0/7/130775936/tudolegijod.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/1/0266/9432/0304/files/high_speed_camera_plus_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/8794/5622/files/56325412603.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/2897/9096/files/college_board_ap_statistics_free_response_2017.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/2652/9435/files/wood_county_child_support_wisconsin.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02cdf43c-b52f-46ee-a4ae-62eb616d4f63/45760340046.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/5071/5294/files/affordable_cremation_solutions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0458/9620/4442/files/black_and_decker_flashlight_bulb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/0477/3031/files/document_analysis_worksheet_answer_key.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/6186/8192/files/nalilezikunosagu.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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