MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, many pointing to disposable domains, suggesting a link farm for SEO manipulation or to distribute further malicious content. One of the extracted URLs, https://botokaw.ru/strik?utm_term=ncert+maths+textbook+for+class+9+free+download, appears to be a redirector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://botokaw.ru/strik?utm_term=ncert+maths+textbook+for+class+9+free+download PDF link annotation
- https://bunixidulot.weebly.com/uploads/1/3/5/9/135964284/demogexusapinu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425784/normal_603f3e06e72a5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375517/normal_60496ecdd439d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4465398/normal_5ff0f3950f5d7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449614/normal_6034db598f5ff.pdfIn PDF document text
- https://rusijarumeza.weebly.com/uploads/1/3/1/8/131871651/wivija_rozamojufoluve.pdfIn PDF document text
- https://vikuwavek.weebly.com/uploads/1/3/4/5/134506456/a88842f0a99.pdfIn PDF document text
- https://visosoduvevup.weebly.com/uploads/1/3/4/2/134234588/8493482.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374852/normal_5fd663f613e9b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4385415/normal_5febe16c703dd.pdfIn PDF document text
- https://tafubevodila.weebly.com/uploads/1/3/4/0/134016741/dudisamol.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wovugi/notoramal.pdfIn PDF document text
- https://4a31e3f8-49e3-4331-b1a9-c0bb7a6b9dbc.filesusr.com/ugd/599f1c_70dd0bd7eccd468abe830ffac04ddb5d.pdf?index=trueIn PDF document text
- https://09ec9d85-9312-4337-94d0-b84080e05f2e.filesusr.com/ugd/ac0094_fecaa170268d4377bac76d200610f752.pdf?index=trueIn PDF document text
- https://2cc12256-1025-444a-bacb-901a9f007bda.filesusr.com/ugd/d1fcfc_5aa5252e28e2495dbcb17125e4f288cc.pdf?index=trueIn PDF document text
- https://28ed73df-463f-41d7-bc87-4635118fd8e0.filesusr.com/ugd/74acc8_84736048217b45989fc041d109d2a966.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fatikonavori/46865406799.pdfIn PDF document text
- https://4454cc88-256b-48ad-9013-c0414c72072d.filesusr.com/ugd/67e251_6cda3dcee2f642b5b92d48ce4b6858b2.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/libowebujakux/63791316648.pdfIn PDF document text
- https://s3.amazonaws.com/muvojugejoxip/meeting_minutes_template_google_docs.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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e584.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE584 | 5752 bytes |
SHA-256: b2be4ec8b23241bf42e785343fc0bf8f8b938b644d253ce2829c8194b6883965 |
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font_01_sfnt_off0000f8f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8F8 | 11036 bytes |
SHA-256: 1a81ef1ae7e190c265a4119d2653feec95b1a14887574087254aa84eb00b6eec |
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