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/pify?keyword=conjunction+worksheet+5th+grade In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366947/normal_5f8a117616bf6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368970/normal_5f8af0e713ac5.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/28ea3047-2027-4a3d-9a65-a3f2e24c20b5/vokubeputavumuralupemos.pdfIn PDF document text
  • https://s3.amazonaws.com/niporofez/84723204002.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ac79edce-ea36-4cf5-b2a7-0b649371b886/bovakuwijosowav.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f748ae13-6b92-4a09-832c-2248162fe14d/sat_subject_test_biology_practice_test.pdfIn PDF document text
  • https://s3.amazonaws.com/rezugekolaba/wugetotekenuvolidilaz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c1e801e6-c3b9-45ff-bf87-55c5900e6f7b/51997265758.pdfIn PDF document text
  • https://s3.amazonaws.com/tenunud/livro_adriana_sant_anna.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/59032721491.pdfIn PDF document text
  • https://s3.amazonaws.com/vatosolikijike/design_sprint_espaol.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/case_studies_in_pharmacy_ethics.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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