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/123?keyword=rock+space+extender+ac+1200+user+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4418013/normal_5fa2a57335feb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371553/normal_5f90ceb790894.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405946/normal_5f9de143cd17f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409409/normal_5f9429b304e3c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372955/normal_5f9c6fe69e6eb.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/61422efb-d265-4b7d-842b-388c4e3c2364/lawex.pdfIn PDF document text
  • https://fevenakom.files.wordpress.com/2020/11/cracking_the_coding_interview_6th_edition_github.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d83948d-dbb0-46cc-85bb-3e2ac98637f1/39816282394.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a9ed8fb8-df34-492a-a0e9-7242e359b695/swf_to_mp4_converter_offline.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72a7d0ef-e280-4b78-9366-c9d9bff126cc/free_movies_unblocked_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/votawawo/83606984223.pdfIn PDF document text
  • https://s3.amazonaws.com/tosevud/old_testament_verses_on_marriage.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/19748164444.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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