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://ttraff.cc/123?keyword=for+hearing+only+book+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365601/normal_5f8bceac5217b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370304/normal_5f98fa63384c8.pdfIn PDF document text
  • https://pavowojavujide.weebly.com/uploads/1/3/1/3/131398322/bukerodaruwaferixa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4376371/normal_5f95b2205a2ff.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4402244/normal_5f925432569f8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366047/normal_5f870481e04c5.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/henghuili-files/anastrozol_1_mg_bula.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2218044d-4a70-4941-9f3c-6d8e369918bd/6720527373.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/ashrae_handbook_2009.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/0233/0791/files/26923391278.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/873bb8ab-1235-4395-8a5c-dfaeadf8ac22/nekogevap.pdfIn PDF document text
  • https://s3.amazonaws.com/desenaz/audiometria_interpretacion_de_resultados.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/zuvaditifug.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5627/5362/files/75617708236.pdfIn PDF document text
  • https://s3.amazonaws.com/sifawekujiki/42081906625.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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