MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains a mass of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The primary URL, https://vilenefex.ru/strik?utm_term=how+do+i+stop+the+habit+of+biting+my+nails, is likely part of this scheme. While no scripts were explicitly extracted, the PDF structure and link farm heuristic indicate malicious intent.
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://vilenefex.ru/strik?utm_term=how+do+i+stop+the+habit+of+biting+my+nails PDF link annotation
- https://cdn-cms.f-static.net/uploads/4386852/normal_60397c747542a.pdfIn PDF document text
- https://cdn.sqhk.co/jajotulix/gjat7hj/21744379310.pdfIn PDF document text
- https://medofigovur.weebly.com/uploads/1/3/5/3/135316586/juxisukijapid.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4452621/normal_60316ce767e76.pdfIn PDF document text
- https://cdn.sqhk.co/rolaravez/i5oR4xI/drifting_meaning_in_malayalam.pdfIn PDF document text
- https://cdn.sqhk.co/nobipajami/gfhiihj/y8_barbie_dress_up_games_free_online.pdfIn PDF document text
- https://viweposedijul.weebly.com/uploads/1/3/1/0/131070314/murozixida-ribamosolikap-wubiwobidi.pdfIn PDF document text
- https://nagofojog.weebly.com/uploads/1/3/4/5/134586362/2566776.pdfIn PDF document text
- https://pabimoju.weebly.com/uploads/1/3/3/9/133997489/negaba-sixame-timutojexoninen-tudibaritibujek.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481528/normal_602b539e980d4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366302/normal_6026511134ddf.pdfIn PDF document text
- https://jumirugefof.weebly.com/uploads/1/3/3/9/133997886/sasajegumew.pdfIn PDF document text
- https://cdn.sqhk.co/merabuvi/bIjdhih/ww2_battlefront_simulator_mod_apk.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485693/normal_60258606a939a.pdfIn PDF document text
- https://xegogebereduxu.weebly.com/uploads/1/3/1/1/131164392/781078.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375095/normal_6013a3489b35c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403537/normal_60523126b87b0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447641/normal_6052f11759faf.pdfIn PDF document text
- https://cdn.sqhk.co/xaderimi/ibrBMgf/skyrim_aesir_armor_riddle_answers.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412164/normal_5fd823e8f34fa.pdfIn PDF document text
- https://terodovob.weebly.com/uploads/1/3/0/7/130776228/dinedebazul.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000f287.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF287 | 5656 bytes |
SHA-256: 096cdcf9561bac96b61a9ce2d9f0416ece84bab92bdaeed79bbcb47ce0f3bff0 |
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font_01_sfnt_off000105b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105B5 | 10872 bytes |
SHA-256: 1122bdc4df23764b356577cfe9602612d603c14ef9372b7fc8291ce1175b35af |
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