Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://jacksth.ru/wix?keyword=diffusion+worksheet+answers+biology PDF link annotation

  • https://nefabilaj.weebly.com/uploads/1/3/1/4/131438225/74005eb6b17a.pdfIn PDF document text
  • https://romarifekaxa.weebly.com/uploads/1/3/2/6/132683260/josegedusu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389074/normal_602750e64d923.pdfIn PDF document text
  • https://webuseki.weebly.com/uploads/1/3/2/8/132814302/titukozonoweg.pdfIn PDF document text
  • https://gorejirulikem.weebly.com/uploads/1/3/4/7/134738880/3623ead.pdfIn PDF document text
  • https://vanosejifewufe.weebly.com/uploads/1/3/0/8/130814052/37025e.pdfIn PDF document text
  • https://kavisovilige.weebly.com/uploads/1/3/5/3/135308643/4905988.pdfIn PDF document text
  • http://domavera.ru/baleadas_honduras_pollo_con_tajadas9hzs6.pdfIn PDF document text
  • http://scotiaenlineape-personas.com/u_s_lbx_phn_4_tp_1616mj.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381098/normal_600a832c721aa.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426967/normal_6011b4ee684b6.pdfIn PDF document text
  • https://nesefutuderixu.weebly.com/uploads/1/3/2/7/132740375/zitonijuz-vuxukenidozasug-suxejujevoxig.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444850/normal_5fd34070adec4.pdfIn PDF document text
  • https://xazalonabi.weebly.com/uploads/1/3/6/0/136086847/8231832.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413866/normal_5fe6240829cd1.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/budovewesekaz/tonir.pdfIn PDF document text
  • https://s3.amazonaws.com/mexesazaxasa/adxl345_accelerometer_datasheet.pdfIn PDF document text
  • https://s3.amazonaws.com/mupukesunobaga/bumetanide_davis.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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