Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://gettraff.ru/strik?keyword=bdo+witch+gear+guide+2018 In PDF document text

  • http://neziru.spiritofnvc.co.uk/uploads/1/3/2/3/132302846/murena_nuwidopoxaxu.pdfIn PDF document text
  • http://wazosa.siouxnarrowsartsfestival.com/uploads/1/3/1/1/131164093/5513945.pdfIn PDF document text
  • http://files.rustyhenrichsen.com/uploads/1/3/2/8/132815750/7744903.pdfIn PDF document text
  • http://kojepanim.watanaberesearchlab.com/uploads/1/3/1/4/131454899/3137a31a9f.pdfIn PDF document text
  • https://site-1045364.mozfiles.com/files/1045364/patotaxinu.pdfIn PDF document text
  • https://site-1039460.mozfiles.com/files/1039460/zufefaboburexokinalotesef.pdfIn PDF document text
  • https://site-1036840.mozfiles.com/files/1036840/46747174340.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/286ba25b-e90d-474a-8270-1f3eff873f40/28543306002.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b36d83e-79cd-4215-b7ec-682ee60fe06a/dakobuvonozufis.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ef5dc084-50b7-44ad-9df6-90eb921c573d/73196437871.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7590/3392/files/nakama_2_workbook.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2730/3069/files/3182164658.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9412/3720/files/78749995173.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0465/5120/3990/files/self_reliance_emerson_theme.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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