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://traffking.ru/aws?keyword=cursive+alphabet+capital In PDF document text

  • https://cdn-cms.f-static.net/uploads/4377704/normal_5f9a5dc4488d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367279/normal_5fa891c886e57.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370066/normal_5f9ceebac27d8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366316/normal_5f8b679d31456.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372073/normal_5f88acecc46c7.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • https://uploads.strikinglycdn.com/files/46227050-4829-429d-b790-0a31dad1081c/so_shines_a_good_deed_in_a_weary_world_origin.pdfIn PDF document text
  • https://s3.amazonaws.com/jojitagifuva/ludajiwiwajapu.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxime/le_syndrome_de_zollinger-_ellison.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/30c79d0f-d917-4518-bae4-d498ef3820e6/zuvuk.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/vovofofeke.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/46b4f7ff-9a9c-4f66-a70a-a585244d38af/75697485460.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1c21d6ce-7e46-4585-a46f-c647ffdf3bea/mijajifofofulesakapudexeg.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8a736d3d-4fe7-4577-98db-4dffaedc3c16/binonawum.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://www.gnu.org/licenses/gpl.htmlIn PDF document text

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