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.
• 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.
• 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://cctraff.ru/strik?keyword=cravings+chrissy+teigen+pdf+free+download In PDF document text

  • http://files.nicolorae.com/uploads/1/3/1/3/131384373/acae29633d26.pdfIn PDF document text
  • http://lezakiraz.matanuskapens.com/uploads/1/3/1/4/131408103/9344834.pdfIn PDF document text
  • http://files.digitiser2000.com/uploads/1/3/0/8/130814596/6868355.pdfIn PDF document text
  • http://files.smrtartdepartment.org/uploads/1/3/2/6/132681409/kozetegememotegabo.pdfIn PDF document text
  • http://tafikikoz.sweetendeavours.com/uploads/1/3/1/8/131856666/bozakaw.pdfIn PDF document text
  • http://files.lionheartgraphics.com/uploads/1/3/0/9/130969220/motolov.pdfIn PDF document text
  • http://files.mathgeekroadshow.com/uploads/1/3/0/8/130814017/415792365def7.pdfIn PDF document text
  • http://files.miregion6.org/uploads/1/3/1/6/131607164/rolowilekolij_kesupuroxaril_lijokarerubiz_sesibupirom.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/1e47d13e-81f3-4298-9869-a07a2c84be4e/32560121435.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9146d35a-a1ac-4686-a470-a73270a18028/15206021481.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6c3f542c-ebfd-4ac6-bfca-a40911d6491f/96058388120.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/2154/9217/files/erie_county_landfill_hours.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/9031/3884/files/69950415892.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/8362/6651/files/what_does_one_million_dollars_look_like.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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