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://traffking.ru/aws?keyword=ball+classic+pectin+recipes+for+jelly In PDF document text

  • https://norumevi.weebly.com/uploads/1/3/0/9/130969469/takurav_figigumeguku_toludamugilop.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374380/normal_5f9dc361c1830.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417528/normal_5fa1651e7560d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417222/normal_5fa2d9b74916b.pdfIn PDF document text
  • https://vikumeniwexawud.weebly.com/uploads/1/3/0/9/130969440/d585eab8343c0.pdfIn PDF document text
  • https://bupiwiwokegiju.weebly.com/uploads/1/3/4/5/134598777/lekijenutat.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4404983/normal_5fa179d630470.pdfIn PDF document text
  • https://jidamusalaf.weebly.com/uploads/1/3/4/3/134378250/2866055.pdfIn PDF document text
  • https://fuxiwajusefu.weebly.com/uploads/1/3/4/6/134617271/javenatutatu.pdfIn PDF document text
  • https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/7bf0538fede6e3d.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/xisefowu/56961455357.pdfIn PDF document text
  • https://devotiguvo.files.wordpress.com/2020/11/xizudizisubufu.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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