Malicious PDF — malware analysis report

Heuristics 4

• 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.
• 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://cctraff.ru/strik?keyword=co2%25E2%2588%2592+3+lewis+structure In PDF document text

  • http://degodu.sleeplogicbeds.com/uploads/1/3/1/3/131380600/kodamelojugefux.pdfIn PDF document text
  • http://files.rebeccakopec.com/uploads/1/3/1/6/131637333/3d324cddee86.pdfIn PDF document text
  • http://narev.boudoirbypamelam.com.au/uploads/1/3/2/8/132815004/tanuxotugetutukida.pdfIn PDF document text
  • http://ludumaw.helpingkidsha.org/uploads/1/3/0/7/130738720/nipekibefamarajenuxu.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/1/0462/2988/0981/files/bangladesh_sweden_trust_fund_scholarship_result_2018.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/7801/7443/files/yellowfang_and_fireheart.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/4676/2656/files/29632045216.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0459/7225/8983/files/biwalugevidilene.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/4430/7098/files/yoo_jae_suk_net_worth.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/358cbbeb-843a-41de-9152-ad8440ebabfd/befawef.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4fbeb19d-96cc-499f-878c-2926ba7630ed/79995685240.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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