Malicious PDF — malware analysis report

Heuristics 5

• 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 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://crophysi.ru/wix?keyword=mr+hahn+math PDF link annotation

  • http://prizinsta24.space/ssc_stenographer_2018_form_fill_upazaqn.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4490739/normal_5fd046e229fe6.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4416131/normal_6000348ba5576.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4405925/normal_5fd68b1a1af10.pdfIn PDF document text
  • http://laxana.ru/javascript_format_number_currency_commasw1a24.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370097/normal_60238b6dcce5b.pdfIn PDF document text
  • https://fuvetowonilup.weebly.com/uploads/1/3/1/3/131383456/7341248.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384483/normal_601cb2ed39736.pdfIn PDF document text
  • https://levibaxa.weebly.com/uploads/1/3/1/4/131408620/94e3d49c5dd47e2.pdfIn PDF document text
  • https://satemegozujig.weebly.com/uploads/1/3/4/4/134477909/c6b30e34e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454678/normal_6001cbbed0c21.pdfIn PDF document text
  • https://kiligazifozu.weebly.com/uploads/1/3/4/5/134506598/560954.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413976/normal_6000cfe154d4e.pdfIn PDF document text
  • https://wakukaxowemaba.weebly.com/uploads/1/3/5/3/135303752/jananirajezi.pdfIn PDF document text
  • https://kozuliwibiji.weebly.com/uploads/1/3/4/7/134705154/puxujazij.pdfIn PDF document text
  • https://lomimasexoguxi.weebly.com/uploads/1/3/4/7/134736135/2725209.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/tumuzu/nevexelawovobo.pdfIn PDF document text
  • https://s3.amazonaws.com/xajowu/yes_or_no_riddles_with_answers.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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