Malicious PDF — malware analysis report

Heuristics 6

• 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 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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=course+3+volume+2+math+book In PDF document text

  • https://cdn-cms.f-static.net/uploads/4415081/normal_5fd6107659cfb.pdfIn PDF document text
  • https://cdn.sqhk.co/visukodo/lihjeXA/33613273887.pdfIn PDF document text
  • https://cdn.sqhk.co/daposofoxig/icvggpt/famovelikiwepej.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417119/normal_5ffe200305528.pdfIn PDF document text
  • http://missunik.space/335553577054fy5g.pdfIn PDF document text
  • http://serdyukov.pro/keystone_credit_recovery_answer_key_biologyk35yo.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4503524/normal_5fe5dbc775d60.pdfIn PDF document text
  • http://lazadacostumercenter.com/advanced_accounting_3rd_edition_solutionsemwg2.pdfIn PDF document text
  • https://cdn.sqhk.co/livefodam/bnHymYJ/xorubexisivojigufizak.pdfIn PDF document text
  • http://laditosos.iblogger.org/86857609674.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4421213/normal_5fef5a0a9fae2.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://torumaxot.rf.gd/zavinagem.pdfIn PDF document text
  • https://s3.amazonaws.com/nodetuxapabara/19580038896.pdfIn PDF document text
  • http://sivofabef.epizy.com/vujavubofewawabaforumeb.pdfIn PDF document text
  • https://s3.amazonaws.com/votubukaxogilix/audio_songs_com_free.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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