Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• MFA / one-time-code harvesting lure high SE_MFA_LURE
  Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
• 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://cctraff.ru/strik?keyword=how+to+reset+hikvision+ip+camera+ds-2cd1021-i In PDF document text

  • http://files.e2advendure.com/uploads/1/3/1/6/131606429/femasugigire.pdfIn PDF document text
  • http://files.truenorthministries1.com/uploads/1/3/1/6/131607019/dovesupexa.pdfIn PDF document text
  • http://vewepuvip.fmtiinc.org/uploads/1/3/1/4/131437833/dafudejimojanemiwuv.pdfIn PDF document text
  • http://files.alljourneysfitness.com/uploads/1/3/1/3/131379594/fonabu.pdfIn PDF document text
  • http://files.dahabpolyclinic.com/uploads/1/3/1/0/131070567/ab4223760269d4.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/93c5de46-97b9-4ac7-8895-2366050d972d/jimipejazoxivurufewonadib.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5a46d3c-4ac2-4dd2-9aba-3c2969b5356f/21074462977.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/da528116-1e19-4592-9cc3-a5485b60c0f7/jufuwuxenalabexizodejub.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6741c5c2-38c7-4873-ac9a-bce276a7d97b/jejonukotamikax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0d9b1ac1-d61d-416f-b771-51319edd0b5d/12958447413.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9329d1db-a011-420a-ad23-4899ce15a898/tinugobiboxesamutoxa.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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