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://yafferge.ru/wix?keyword=monkey+wrench+lyrics+foo+fighters In PDF document text

  • https://static.s123-cdn-static.com/uploads/4444115/normal_5ffde3ae2765c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4474722/normal_5fcb55792d75d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451028/normal_600ffdf319db8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4451353/normal_5fd97c613c8fd.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4403688/normal_5fe0e727eb6f6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388178/normal_6025962bb9141.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409393/normal_6020bc51ca54b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4453900/normal_5fe0e990b3e67.pdfIn PDF document text
  • http://kulinar2020.site/ratio_de_couverture_des_capitaux_invvzl3m.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4425515/normal_5ff22c175676d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383699/normal_5fd61fabd813b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383132/normal_5fdc09f4c4a29.pdfIn PDF document text
  • http://silver35.ru/calculus_for_dummies_youtube4cemz.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://tujefozumuresul.epizy.com/bufurixixozeg.pdfIn PDF document text
  • http://momugegunimex.rf.gd/ashampoo_burning_studio_2012_gratis_portugues.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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