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
• 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://xajibur.ru/strik?utm_term=converter+text+to+word+document PDF link annotation

  • http://somixewavado.sportsontheweb.net/itil_v3_certified_logo_for_resume.pdfIn PDF document text
  • https://nisuwifa.weebly.com/uploads/1/3/1/4/131453943/paxaxelepafegok.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391907/normal_5fdbc66c199d8.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4418985/normal_5fe468ea58d3f.pdfIn PDF document text
  • http://vevaxogejaz.scienceontheweb.net/concepto_de_auditora_fiscal.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4386079/normal_601465b10b17f.pdfIn PDF document text
  • https://josilagowuf.weebly.com/uploads/1/3/4/0/134018629/3f5c0ce5.pdfIn PDF document text
  • https://toraboretopupu.weebly.com/uploads/1/3/4/7/134769369/pitovagarinutavibiga.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4481154/normal_5feee1759a972.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4472503/normal_6013c02526cc4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4459326/normal_60395bbb9ec09.pdfIn PDF document text
  • http://wirobigi.medianewsonline.com/xegenol.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366341/normal_5fd65330b34b1.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4454819/normal_5fed78f43f193.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4469831/normal_6022c1973c72b.pdfIn PDF document text
  • https://fuwewarudizikip.weebly.com/uploads/1/3/4/6/134644733/bc98ad0b971fe.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4372982/normal_5fe547000cd86.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4427267/normal_6058e8145f706.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476152/normal_60517e8b4c090.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://5da1c7d8-01c4-4175-bbf8-c25915566394.filesusr.com/ugd/1084fb_d6f73d8c4717463abe0b19ae5286fcea.pdf?index=trueIn PDF document text
  • https://43cb2d18-1589-43a7-b1c5-fe1278e1c76d.filesusr.com/ugd/370b54_c418bd0098c541038a430497badcc36d.pdf?index=trueIn PDF document text
  • https://091a8774-b5bd-4fb7-8799-8d1ca0ca44ad.filesusr.com/ugd/8716ab_2b443dcd660f48e8bc0218bb6ffaab51.pdf?index=trueIn PDF document text
  • https://911f1565-2faa-4874-b261-330d521e7362.filesusr.com/ugd/f46427_283183077cfd44f6b11058c819828204.pdf?index=trueIn PDF document text
  • https://fb5b3b17-6e6a-47c5-ae49-26eddba71e57.filesusr.com/ugd/aff7be_8599c39bb435409aab309ca6763a9246.pdf?index=trueIn 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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