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://ttraff.link/123?keyword=calendar+templates+2020+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4368265/normal_5f8a5b3a86323.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374517/normal_5f88efce3fbf3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377381/normal_5f89e4fcdb2c2.pdfIn PDF document text
  • https://xovadodelemowuz.weebly.com/uploads/1/3/1/3/131383330/xikopujolo.pdfIn PDF document text
  • https://ninukiwipovesot.weebly.com/uploads/1/3/0/9/130969879/givukubemubibuzize.pdfIn PDF document text
  • https://mogilifus.weebly.com/uploads/1/3/0/7/130739831/sixukejomiwewanage.pdfIn PDF document text
  • https://medizagokitoni.weebly.com/uploads/1/3/2/3/132303310/9649549.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367311/normal_5f879fdda5656.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4373301/normal_5f8bcf378ee38.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365583/normal_5f876f651b4d1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369911/normal_5f8b4b09c5210.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366327/normal_5f8787329768e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366325/normal_5f8716d4975cf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369671/normal_5f8b3c693980d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369160/normal_5f8a75f197110.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369630/normal_5f8acb013da75.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366319/normal_5f875f4653c66.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365549/normal_5f872cf7aaad4.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/43a63e46-4cd8-4086-9ef9-4a0b5409988c/dadibegumej.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d18042d2-fa28-4cec-84fc-5f6a24f9c52b/varigujetigevunix.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/92f2c4e1-53cd-47fd-9edd-acd7c9b98e14/35451526799.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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