Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• 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.
• 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.
• 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://yafferge.ru/123?utm_term=comptia+project%252B+study+guide+exam+pk0-003+pdf In PDF document text

  • http://vzruvayarttraff.xyz/adobe_photoshop_cs_8.0894kx.pdfIn PDF document text
  • https://cdn.sqhk.co/fisoxinizo/djcOhgR/telosa.pdfIn PDF document text
  • https://cdn.sqhk.co/gafisasiwu/hh82iax/zuvepufapivoxuxexiwog.pdfIn PDF document text
  • https://cdn.sqhk.co/kerosumumato/bwhhCcZ/59869318491.pdfIn PDF document text
  • http://prizinsta365.site/wavaronubativegakfuvo3.pdfIn PDF document text
  • https://zimolitavok.weebly.com/uploads/1/3/1/8/131856331/7790674.pdfIn PDF document text
  • https://cdn.sqhk.co/livatunozasu/ggvgd4f/megan_thee_stallion_new_song_on_radio.pdfIn PDF document text
  • http://rostov-mobile-doctor.ru/crash_dive_submarine_1997t62q6.pdfIn PDF document text
  • https://cdn.sqhk.co/wezupobuwab/ibifjbF/sonic_boom_cartoon_network_2014.pdfIn PDF document text
  • https://cdn.sqhk.co/xasakeza/jiji87Q/modern_warfare_warzone_server_locations.pdfIn PDF document text
  • https://cdn.sqhk.co/nivunufozub/hcifLIb/39310751405.pdfIn PDF document text
  • https://cdn.sqhk.co/xubulozirod/ihb6igN/sargassum_seaweed_tracker_2020.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://bibobega.epizy.com/xulewe.pdfIn PDF document text
  • http://waruzav.epizy.com/change_outlook_exchange_password_android.pdfIn PDF document text
  • http://tojederetesez.epizy.com/differentiate_informal_and_formal_report.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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