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.
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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://jacksth.ru/123?utm_term=aps787c+installation+manual PDF link annotation

  • http://kuxafazugof.iblogger.org/95619300751.pdfIn PDF document text
  • http://fruktovik.com/guess_the_word_answers_7_letters2v0ei.pdfIn PDF document text
  • https://nuduxojobiri.weebly.com/uploads/1/3/4/6/134629521/kaseniji.pdfIn PDF document text
  • https://nusevusigafub.weebly.com/uploads/1/3/1/3/131398220/a3d88aa19bc97.pdfIn PDF document text
  • https://fagutefoxod.weebly.com/uploads/1/3/4/2/134235025/1117393.pdfIn PDF document text
  • http://fsfsfd.xyz/steelseries_arctis_7_equalizer_settings_pubgwiksk.pdfIn PDF document text
  • https://nudabubi.weebly.com/uploads/1/3/4/3/134323665/jojekexufatifa-lonir-tutojazozoxiwat.pdfIn PDF document text
  • https://fogufapepupol.weebly.com/uploads/1/3/1/8/131871477/1ffaa3efc377021.pdfIn PDF document text
  • https://cdn.sqhk.co/bogabixexuja/nyhiidw/kukadoxilowisexiku.pdfIn PDF document text
  • http://serikanipesemo.iblogger.org/refimidu.pdfIn PDF document text
  • https://cdn.sqhk.co/jarebomu/bjdhc04/wexogujaluzupin.pdfIn PDF document text
  • https://cdn.sqhk.co/parapirer/hfgi8gh/weather_and_clock_widget_ad_free_apk_download.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://tidisel.epizy.com/anm_gnm_ki_full_form.pdfIn PDF document text
  • http://kadonimefimewe.rf.gd/netflix_android_4._4_2_apk.pdfIn PDF document text
  • http://daxevetefixidaj.epizy.com/13088748115.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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