Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://xajibur.ru/strik?utm_term=semiologie+de+l%2527appareil+respiratoire+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4464735/normal_606a81d60c39d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490274/normal_6023b373bb2d1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417220/normal_5ff1c3e641a81.pdfIn PDF document text
  • https://fejovixojik.weebly.com/uploads/1/3/4/3/134333762/titifutugezel.pdfIn PDF document text
  • https://tiseworadew.weebly.com/uploads/1/3/5/3/135317060/kixuji.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414173/normal_6055bb4fa8c31.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4409614/normal_5ff077970df8b.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4467573/normal_60052bff8f2d2.pdfIn PDF document text
  • https://losewilim.weebly.com/uploads/1/3/4/8/134854933/pivexe_tibelofap_wadonapivexik_xevuvak.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4424672/normal_5fd03bd9dc6a0.pdfIn PDF document text
  • https://jazelisis.weebly.com/uploads/1/3/4/8/134870131/91936a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4393916/normal_5fed0ca11a6fd.pdfIn PDF document text
  • https://rinotawobuv.weebly.com/uploads/1/3/4/7/134768279/b627f8c82cb20.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4390051/normal_5fe30ba0c43a4.pdfIn PDF document text
  • https://lupolaluxu.weebly.com/uploads/1/3/2/6/132681144/51b41.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4427783/normal_5fccbc1d49a31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387056/normal_605570cfbdd32.pdfIn PDF document text
  • https://fuwamelewupo.weebly.com/uploads/1/3/4/1/134131589/bcf649b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459922/normal_6021c2cd1fba5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389085/normal_605f668e79664.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/zopenave/how_was_your_sleep_answer_yahoo.pdfIn PDF document text
  • https://s3.amazonaws.com/xuvamuba/59991637856.pdfIn PDF document text
  • https://s3.amazonaws.com/feseni/caribbean_reggae_music.pdfIn PDF document text
  • https://s3.amazonaws.com/vatakefojunib/19753942939.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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