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
• 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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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://pelibifir.ru/award?keyword=allen+test+series+pdf+jee PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4449193/normal_601a9a8eef19d.pdfIn PDF document text
  • https://cdn.sqhk.co/luwukamuku/euQHje6/56376482562.pdfIn PDF document text
  • https://wamurereleveti.weebly.com/uploads/1/3/5/3/135392703/773cdc6.pdfIn PDF document text
  • https://cdn.sqhk.co/golomamone/djdDhhk/space_invaders_atari_2600_value.pdfIn PDF document text
  • https://cdn.sqhk.co/bepesewutu/hdghgg3/pc_building_simulator_free_download_android.pdfIn macro / runtime command snippet
  • https://static.s123-cdn-static.com/uploads/4451365/normal_5fed979a04c01.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450259/normal_6019201f1ce71.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408001/normal_60177488703bc.pdfIn PDF document text
  • https://vivazezege.weebly.com/uploads/1/3/4/0/134041722/lakufotolulum_wutufiv.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4443357/normal_600e76a8659cd.pdfIn PDF document text
  • http://xopapen.iblogger.org/zofelokatepefonawawodoxel.pdfIn PDF document text
  • https://cdn.sqhk.co/baluwofuk/wRgiggc/parkour_runner_misses_jump.pdfIn PDF document text
  • https://cdn.sqhk.co/xuwolegu/etbhjKG/furarexonosi.pdfIn PDF document text
  • https://cdn.sqhk.co/rinilafexowi/gjhjihe/splendor_in_the_grass_quotes_movie.pdfIn PDF document text
  • https://xetuvamabur.weebly.com/uploads/1/3/1/4/131409037/728931.pdfIn PDF document text
  • https://cdn.sqhk.cIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://kisaxutuse.epizy.com/what_are_the_different_dyson_vacuum_attachments_for.pdfIn PDF document text
  • http://zutilafuje.epizy.com/cmd_command_for_finding_wifi_password.pdfIn PDF document text
  • http://bovesaligete.rf.gd/harvard_acceptance_letter.pdfIn PDF document text
  • http://vosimamasi.epizy.com/bootstrap_order_form_template_free.pdfIn PDF document text
  • http://pubowabe.epizy.com/amend_document_online_free.pdfIn PDF document text
  • http://gexovudin.rf.gd/crying_boy_meme_template.pdfIn PDF document text
  • http://motagetezo.epizy.com/bulido.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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