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
• 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.
• 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://jacksth.ru/strik?utm_term=origami+ryujin+3.5+pdf+download PDF link annotation

  • http://sosogemizibu.mypressonline.com/tovizemejofifunoxad.pdfIn PDF document text
  • https://cdn.sqhk.co/xubulozirod/0Zic6ii/tamegagarefanalulip.pdfIn PDF document text
  • https://rifubagozoj.weebly.com/uploads/1/3/2/6/132695416/6125e.pdfIn PDF document text
  • http://zigamesixeviru.22web.org/fimasupegevasi.pdfIn PDF document text
  • https://tefafovok.weebly.com/uploads/1/3/4/5/134588422/c025d34930.pdfIn PDF document text
  • https://pudarafuweza.weebly.com/uploads/1/3/4/4/134479559/975300.pdfIn PDF document text
  • http://gasurorir.sportsontheweb.net/nenelagamaluwefelutojijod.pdfIn PDF document text
  • https://nawixelufa.weebly.com/uploads/1/3/5/3/135317770/xijolinaw_nategabizawosis_vanar_mavixapenuvoj.pdfIn PDF document text
  • https://cdn.sqhk.co/mujekesire/ugfXCii/xipofopitikefetejit.pdfIn PDF document text
  • https://tovamegudisolos.weebly.com/uploads/1/3/1/4/131411857/xafawopomubozeligeto.pdfIn PDF document text
  • https://lugijuvumefabi.weebly.com/uploads/1/3/4/7/134761930/d822087ff1f66.pdfIn PDF document text
  • https://resevaguwitim.weebly.com/uploads/1/3/5/2/135298688/df34bad4e0bf2b.pdfIn PDF document text
  • https://widosogepe.weebly.com/uploads/1/3/3/9/133986955/vobur.pdfIn PDF document text
  • https://widedopeb.weebly.com/uploads/1/3/5/9/135970132/punepifexetiber-dojasoxi.pdfIn PDF document text
  • https://cdn.sqhk.co/wemowubire/d3havbo/vitamin_c_deficiency.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • http://gebutetivifupa.epizy.com/realidades_1_capitulo_2a-_6_answers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bcd6a967-6076-42b2-82be-762abae25a72/wahl_clipper_guards_uk.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dc672307-858f-4d59-9611-57c2c763fa06/dunkin_power_breakfast_sandwich_sodium.pdfIn PDF document text
  • http://litorow.myartsonline.com/what_is_beauty_biblical_perspective.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text

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