Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Fake encrypted/secure-document view lure high SE_ENCRYPTED_DOC_LURE
  Document claims to be an encrypted or protected file that must be opened through a 'secure view' link, and the action link uses deceptive infrastructure. This is the secure-document credential-phishing carrier: the page imitates a secure-mail / document-cloud gate while the link leads to a harvesting site. action link to abused redirector.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• 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://baarspo.ru/award?keyword=yamaha+mg10xu+usb+interface PDF link annotation

  • https://nozipukox.weebly.com/uploads/1/3/6/0/136057246/f2e4f6ced9.pdfIn PDF document text
  • http://morpeoplelife.ru/lakovatuvajisun9nqko.pdfIn PDF document text
  • http://twobigs.space/chogada_flute_ringtone_freebtuqz.pdfIn PDF document text
  • https://cdn.sqhk.co/rurokusulos/TBhbqhh/stick_man_sword_fight_online.pdfIn PDF document text
  • http://sumemejosanavo.iblogger.org/cadette_book_artist_badge.pdfIn PDF document text
  • http://xusawodobiwa.22web.org/nipepopufefag.pdfIn PDF document text
  • https://kuromazu.weebly.com/uploads/1/3/2/6/132695519/9211927.pdfIn PDF document text
  • https://finedogu.weebly.com/uploads/1/3/4/7/134749629/wugasiju-jagagebame.pdfIn PDF document text
  • http://momelekunizu.22web.org/how_to_cite_a_book_example_mla.pdfIn PDF document text
  • http://kizudoluwewomam.iblogger.org/contractions_worksheets_for_1st_grade.pdfIn PDF document text
  • https://fizegebukuri.weebly.com/uploads/1/3/1/4/131453213/1c14b1.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://ronapidilejok.rf.gd/46852591561.pdfIn PDF document text
  • https://s3.amazonaws.com/tubupejevomo/shawn_mendes_senorita_song_ringtone.pdfIn PDF document text
  • http://wisivajenujeza.rf.gd/igloo_mini_fridge_dial.pdfIn PDF document text
  • https://s3.amazonaws.com/bulikowexunepov/cinderella_story_chinese_version.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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