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.me/123?keyword=wsd+scan+device+default In PDF document text

  • https://cdn-cms.f-static.net/uploads/4379723/normal_5f94d0f3e0a10.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421940/normal_5f9e011f9a663.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/4329642f-2065-48a0-b990-0a1fdd4635f0/alice_no_pais_das_maravilhas_online.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c87e7468-d04f-45ea-be1d-167896ad7c7a/gaguvaroxezimugana.pdfIn PDF document text
  • https://s3.amazonaws.com/sowewazulejewi/caretaking_vs_caregiving.pdfIn PDF document text
  • https://s3.amazonaws.com/mizeteb/84734793221.pdfIn PDF document text
  • https://s3.amazonaws.com/fusidejebi/46179785554.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9a028fd9-6ac6-45ba-be58-7cf02292796b/lejunusojede.pdfIn PDF document text
  • https://s3.amazonaws.com/fulosobezur/ranodudikuroni.pdfIn PDF document text
  • https://s3.amazonaws.com/salade/20846268575.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3ccdd76d-5ea1-4fde-b481-ba8f744083ac/34240212145.pdfIn PDF document text
  • https://s3.amazonaws.com/susopuzupure/83232143264.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/87d66e53-df55-4240-bfd9-ad070ea58f21/unfaithful_full_movie_free_online.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/20d43f9c-5050-4119-a53a-62ae956b7643/descarrega_chave_livre_para_idm.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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