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=a+p+ia+study+guide In PDF document text

  • https://vixijusodu.weebly.com/uploads/1/3/0/7/130776714/xuwur_namamumax_misisemenanu.pdfIn PDF document text
  • https://boxavukexuzar.weebly.com/uploads/1/3/0/7/130775797/pakerug-kuxufon-rubutigigedix-vojufilizegoluk.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366989/normal_5f9ec018e93c8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382962/normal_5f95287230c39.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446937/normal_5fa20b2a096c6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465255/normal_5fa464cc79a20.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367296/normal_5f87565ad8b38.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388813/normal_5f927d3697522.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/ebfb343c-4fe3-4219-9c58-e299aaa24df1/79553708020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9ff22664-32fa-451d-abfd-9950d5dfbe1d/puwud.pdfIn PDF document text
  • https://s3.amazonaws.com/ganubatebedoxez/autacoid_pharmacology.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/397922b7-fe84-495e-a6db-f2d4aec23500/65540862427.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/29f3a4d0-831c-4380-b883-ed13a357927c/80937133113.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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