MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate maliciousness. The embedded URLs, such as 'https://zajinet.ru/strik?utm_term=administrador+de+archivos+premium+apk', are likely used to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://zajinet.ru/strik?utm_term=administrador+de+archivos+premium+apk PDF link annotation
- https://gonokuxugun.weebly.com/uploads/1/3/1/6/131637302/4a0bfdde.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454184/normal_60084df7386a4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474989/normal_604ff310ae5f0.pdfIn PDF document text
- https://moraraxewurazi.weebly.com/uploads/1/3/4/0/134042425/ropulebanolewa-poxibizita-gupujar-dafika.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387562/normal_60644deb2744d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368250/normal_603d70f6ca0a9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4483864/normal_60018dd0c227e.pdfIn PDF document text
- https://minikugonon.weebly.com/uploads/1/3/4/5/134500064/dbc782d7d307515.pdfIn PDF document text
- https://bemisawu.weebly.com/uploads/1/3/4/7/134716701/9939902.pdfIn PDF document text
- https://tupokigefadewun.weebly.com/uploads/1/3/4/7/134702618/zonobexowolomimubor.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4385648/normal_600dbb3342c80.pdfIn PDF document text
- https://davugunibelerab.weebly.com/uploads/1/3/4/6/134612729/zezin.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446762/normal_5ffe7e1e70801.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451220/normal_605c628b9448a.pdfIn PDF document text
- https://lenapejasuma.weebly.com/uploads/1/3/4/7/134749539/9413797.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4444630/normal_5ffc04a892787.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/teximikamukubo/53676272020.pdfIn PDF document text
- https://s3.amazonaws.com/wegemebufojafak/why_is_my_macarons_not_drying.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3c4b7e9c-3f2e-48ee-89dd-d27c0f33c75a/48407493201.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f399a4fe-f456-422f-824c-15eb1e30cbbc/vita_spa_control_board.pdfIn PDF document text
- https://s3.amazonaws.com/voxulija/rabulageb.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_off0000f4ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4EC | 5396 bytes |
SHA-256: 507be9dce928c7051c244fa54f13de30ea5976a354b432d62984b371a70533cd |
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font_01_sfnt_off0001071e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1071E | 11792 bytes |
SHA-256: 5e92270bb1e7eca64bd5dc59c2640848317bd9c1e32a5f47afa85496a587a908 |
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