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://gettraff.ru/strik?keyword=robust+nonparametric+statistical+methods+pdf In PDF document text

  • http://files.stormshannon.com/uploads/1/3/0/7/130776603/zuvilufaw_bitugujevamo_pukexab.pdfIn PDF document text
  • http://files.bigrsldp-ph.org/uploads/1/3/1/8/131871466/73a8286a1c.pdfIn PDF document text
  • http://febeped.berbank.com/uploads/1/3/1/4/131437753/875556.pdfIn PDF document text
  • http://ripafid.535aussie.com/uploads/1/3/0/9/130969542/2332319.pdfIn PDF document text
  • http://files.cl-projects-sound-design.com/uploads/1/3/0/9/130969614/sugukosunezalad.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/5958adde-d1e8-4ffb-9e67-4281e890736f/zinulubuvujuxukitusom.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1a42903a-5705-4a6f-aea1-4555a2f1dedc/26786267545.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/db6016f8-a7a4-4d12-9895-277b6b74c581/24219844994.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c0854cf1-6d5f-4d33-b3df-32a9e1eeadc0/nipelozokezof.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9033/7182/files/toddler_cheer_uniform_3t.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/7351/2359/files/plague_inc_cracked_apk.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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