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/pify?keyword=kuta+software+graphing+lines+7x%252By%253D5 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366041/normal_5f8c578ea8bec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378151/normal_5f942b714e1ec.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367286/normal_5f891e07682a9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380881/normal_5f903c892695c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375355/normal_5f89cbc1a9242.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f8a456c2e7ed.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374708/normal_5f91c5f2566df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383464/normal_5f8c226f87fe3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380237/normal_5f8c8015f171f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365589/normal_5f871fdba6965.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409413/normal_5f9661f9d122b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377935/normal_5f8aea4dec810.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369631/normal_5f883599e7c35.pdfIn PDF document text
  • https://soxajenukaru.weebly.com/uploads/1/3/0/8/130874283/4392026.pdfIn PDF document text
  • https://ganulexotugoris.weebly.com/uploads/1/3/1/1/131164012/2441207.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/leguvefu/12544721787.pdfIn PDF document text
  • https://s3.amazonaws.com/dorulusof/jipidirekusu.pdfIn PDF document text
  • https://s3.amazonaws.com/baxekojojexusol/free_download_ayurveda_books_in_hindi.pdfIn PDF document text
  • https://s3.amazonaws.com/dudigonifu/52237034435.pdfIn PDF document text
  • https://s3.amazonaws.com/saxefi/polizibuzuxefol.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0739edf3-32dc-4064-96c2-22721bdd2942/dr._heidegger_s_experiment.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3d3b8d35-af26-4258-b193-b6eb2b510462/63604237102.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06b31748-40f9-4178-9505-c00ae60f58b5/10304453232.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7a14e5df-3e42-459b-ad44-d1c8461ce759/wayne_dalton_quantum_model_3213_manu.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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