Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://subijiderekura.weebly.com/uploads/1/3/4/6/134616270/9203002.pdf.
• Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
  Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://maypoin.ru/award?keyword=how+do+i+change+my+router+admin+password PDF link annotation

  • http://byseles.xyz/jibedakufizaxisucaole.pdfIn PDF document text
  • http://50offstore.pro/d-link_dir-601-a1_firmware1iikt.pdfIn PDF document text
  • https://subijiderekura.weebly.com/uploads/1/3/4/6/134616270/9203002.pdfIn PDF document text
  • http://vubitim.sportsontheweb.net/how_to_use_ba_ii_plus_professional_calculator.pdfIn PDF document text
  • http://lofajemami.sportsontheweb.net/gupisunoxajajulod.pdfIn PDF document text
  • http://save50it.pro/rigeresixugofoxumiwetovzh21.pdfIn PDF document text
  • http://tizezs.xyz/77403962827q8xkn.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4388272/normal_60068cc822f3d.pdfIn PDF document text
  • http://seplafond.xyz/bibujuxujipfw9y7.pdfIn PDF document text
  • http://pasikufopubiwo.mypressonline.com/40792783569.pdfIn PDF document text
  • https://bojuwidus.weebly.com/uploads/1/3/4/6/134698781/cd8615f85083.pdfIn PDF document text
  • https://donabetolemi.weebly.com/uploads/1/3/1/6/131637402/9822969.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4446633/normal_6002effa95107.pdfIn PDF document text
  • https://lavozeto.weebly.com/uploads/1/3/0/7/130775819/149876.pdfIn PDF document text
  • http://zememor.sportsontheweb.net/dell_optiplex_760_upgrade_cpu.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417519/normal_601ce4cc8bb29.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/figidireki/zoxumapotovijumejofekib.pdfIn PDF document text
  • https://s3.amazonaws.com/loranoduzuja/15482323067.pdfIn PDF document text
  • https://s3.amazonaws.com/xewamejixolefaj/pikizokifajolunizelezu.pdfIn PDF document text
  • https://s3.amazonaws.com/rujimidujek/dips_academy_abstract_algebra_notes.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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