Malicious PDF — malware analysis report

Heuristics 9

• 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.
• 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://refunijuxi.weebly.com/uploads/1/3/4/7/134748157/cd03545.pdf.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://soxebez.ru/strik?utm_term=bypass+google+account+android+5.1+apk PDF link annotation

  • https://refunijuxi.weebly.com/uploads/1/3/4/7/134748157/cd03545.pdfIn PDF document text
  • https://gedijidejejew.weebly.com/uploads/1/3/0/7/130775336/6843636.pdfIn PDF document text
  • https://tidijesugeji.weebly.com/uploads/1/3/4/7/134764535/271.pdfIn PDF document text
  • https://gosasolana.weebly.com/uploads/1/3/4/5/134523876/manunudejaserubituj.pdfIn PDF document text
  • https://kasureketox.weebly.com/uploads/1/3/4/8/134856927/vozinidubizami_baluzakukude_fujofumevapozoj.pdfIn PDF document text
  • https://mobonojijokatu.weebly.com/uploads/1/3/4/3/134320628/530cd5c33e2.pdfIn PDF document text
  • https://nolabuxovitu.weebly.com/uploads/1/3/5/3/135305824/137778.pdfIn PDF document text
  • https://viwexiwi.weebly.com/uploads/1/3/5/3/135318047/lafojuvuxam_mutafekosa_nugimoju_gulus.pdfIn PDF document text
  • https://nulosogitizibe.weebly.com/uploads/1/3/4/3/134317173/6907483.pdfIn PDF document text
  • https://wiguvizokon.weebly.com/uploads/1/3/0/7/130776253/8650737.pdfIn PDF document text
  • https://jetezilim.weebly.com/uploads/1/3/0/7/130775858/8b73e4df1ef147.pdfIn PDF document text
  • https://fisalusul.weebly.com/uploads/1/3/4/3/134341538/tudinuzabazuf_mijasosox.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/xapijifas/gufademakazojototaru.pdfIn PDF document text
  • https://s3.amazonaws.com/nuvukivaxiren/toro_tmc_212_not_working.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f628d996-8409-47a0-a1b0-2b150101f69b/algebra_1_eoc_review_packet_answers_2020.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0c54f561-e32f-4992-8907-5b8551f4da4f/dr_seuss_book_characters_list.pdfIn PDF document text
  • https://s3.amazonaws.com/gixawetopoli/how_much_does_cortisone_shot_cost.pdfIn PDF document text
  • https://s3.amazonaws.com/rizezobabub/42191689315.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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