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=container+%2526+prefab+house+plans+pdf In PDF document text

  • https://site-1039361.mozfiles.com/files/1039361/39508577459.pdfIn PDF document text
  • https://site-1038599.mozfiles.com/files/1038599/57343002132.pdfIn PDF document text
  • https://site-1042780.mozfiles.com/files/1042780/zopizibexepoxefofefaf.pdfIn PDF document text
  • https://site-1038811.mozfiles.com/files/1038811/dudijofixugiwidob.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365612/normal_5f877b7744d30.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366980/normal_5f87f5469bf29.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366018/normal_5f87071904c2b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366313/normal_5f872abbe5e16.pdfIn PDF document text
  • https://genigudepa.weebly.com/uploads/1/3/1/0/131070712/tadib-pepalitegugoj.pdfIn PDF document text
  • https://rabifupokuwu.weebly.com/uploads/1/3/1/1/131164250/53d96a82ec396.pdfIn PDF document text
  • https://fisotewefupug.weebly.com/uploads/1/3/1/0/131071176/5736233.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/wovexofek.pdfIn PDF document text
  • https://site-1038365.mozfiles.com/files/1038365/15284455333.pdfIn PDF document text
  • https://site-1042095.mozfiles.com/files/1042095/61527114828.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366964/normal_5f876219b20d9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366010/normal_5f87dde4d8669.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368224/normal_5f87c469db4cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369520/normal_5f87cd0ad6cc2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367951/normal_5f8765163b6dc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369185/normal_5f87c01271961.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366654/normal_5f87ba811034d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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