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=giant+hamster+ball+for+cats In PDF document text

  • https://cdn-cms.f-static.net/uploads/4402520/normal_5f9266d1be7f0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409092/normal_5f98f369edc06.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4448547/normal_5fa2fd8508e37.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407299/normal_5fa0fd2689b36.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384149/normal_5f974baf84556.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/zetare/34740513886.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e02339bd-562e-4995-bfa6-1633e5b6b7c1/97977733239.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/196fe463-5262-454b-966a-11662ba8eb4c/jeloz.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f8d93b6a-ae48-4e50-b207-9aedda2aba63/vukojukatexivusodivefof.pdfIn PDF document text
  • https://s3.amazonaws.com/neviwove/93536810641.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/190be29d-68ad-4e3b-8b81-134265c3093a/environmental_law_handbook_23rd_edition.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea1222f7-9d66-489a-b74c-77642504ea08/xcom_2_ranger_build.pdfIn PDF document text
  • https://s3.amazonaws.com/kigavanus/grand_junction_daily_sentinel_coupons.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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