MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of external links, many pointing to disposable domains or suspicious hosting, indicating a link farm or SEO manipulation tactic. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing trojan. The embedded links likely serve to distribute further malicious content or lead users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://vilenefex.ru/wix?keyword=mother+tongue+questions+on+rhetoric+and+style PDF link annotation
- https://nidatufibamukun.weebly.com/uploads/1/3/4/1/134131265/vavuvaba-midowagu-mazefa-wufawago.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4496816/normal_6005ecfcc78ab.pdfIn PDF document text
- https://nixujukasal.weebly.com/uploads/1/3/1/6/131636737/vamusuxewumimus.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484156/normal_602c231b7906e.pdfIn PDF document text
- https://bodovusinorone.weebly.com/uploads/1/3/5/3/135347185/68552eb57d6a0e.pdfIn PDF document text
- https://nirusiji.weebly.com/uploads/1/3/1/4/131407521/a772b4.pdfIn PDF document text
- https://pejilajapife.weebly.com/uploads/1/3/4/4/134477767/3020ff1866.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4457272/normal_60027a4f17f46.pdfIn PDF document text
- https://xufodikufidu.weebly.com/uploads/1/3/5/3/135382923/vewemezidalavas-sabefiso-tekodota-sunuzivobex.pdfIn PDF document text
- https://julegorapatafoj.weebly.com/uploads/1/3/4/0/134016802/papuruwutu.pdfIn PDF document text
- https://fuxugunepegox.weebly.com/uploads/1/3/4/7/134761488/mafotom.pdfIn PDF document text
- http://lienforkid.com/2569475981828ce6.pdfIn PDF document text
- https://tizevilujiv.weebly.com/uploads/1/3/1/4/131406709/7331631.pdfIn PDF document text
- http://winoorama.fun/tasunomigimix9jh.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424630/normal_603f7d7e32cb0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489596/normal_6032ce5a9d0e7.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/remeranexe/wolodusemufepijawuv.pdfIn PDF document text
- https://s3.amazonaws.com/genukopapovixo/duniminefisiku.pdfIn PDF document text
- https://s3.amazonaws.com/pasawexawinogad/34653580261.pdfIn PDF document text
- https://s3.amazonaws.com/kefodek/nintendo_connection_error_51330.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_off0000f914.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF914 | 5436 bytes |
SHA-256: 482025194414fbabaa4ebbb5f0f8a0b428657d393dd621886ac4ac67ad17158d |
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font_01_sfnt_off00010b96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B96 | 10672 bytes |
SHA-256: 6bd55bd181ed625357aa4e7f1d359cac37e763e07a7e9257bbe25d73cdf4f266 |
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