MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which are structured to appear as document downloads but likely serve as redirects to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further suggests a link farm designed for malicious purposes, possibly phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9829
Heuristics 5
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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 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://cructi.ru/uplcv?utm_term=utopia+book+pdf PDF link annotation
- http://nt-module.ru/ckfinder/userfiles/files/kagigarajozusu.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/pumosowowe.pdfIn PDF document text
- https://dialogueinpraxis.net/files/docs/64150732525.pdfIn PDF document text
- http://sahrugs.com/userfiles/file/zidigofikaxinadov.pdfIn PDF document text
- https://millersexpress.com/userfiles/file/94090689339.pdfIn PDF document text
- https://valergences.fr/userfiles/file/25446134640.pdfIn PDF document text
- https://serpavenger.com/ckfinder/userfiles/files/31054428554.pdfIn PDF document text
- http://tysons-cafe.com/uploads/files/29381442866.pdfIn PDF document text
- http://jeanthompson.nl/ckfinder/userfiles/files/bugewizelisi.pdfIn PDF document text
- http://kerekesvillszer.hu/UserFiles/file/xafatubowowenututesizuva.pdfIn PDF document text
- http://lotusburbank.com/uploads/files/96164632518.pdfIn PDF document text
- https://samarthanamparisara.org/apadmin/uploads/userfiles/files/tobopepinivoled.pdfIn PDF document text
- http://only-svet.ru/upload/files/ropute.pdfIn PDF document text
- https://ctners.com/ckfinder/userfiles/files/mesakuraxerusetiluzojan.pdfIn PDF document text
- https://biholka.cz/uploades/userfiles/file/81114381110.pdfIn PDF document text
- http://koreabulk.net/userData/board/file/fulamipuponuvurusa.pdfIn PDF document text
- https://steammining.com/userfiles/file/wuturukukijapanitelujox.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16139f797cc22e---tujotevezek.pdfIn PDF document text
- http://xn--b1agjlwjc3g.xn--p1ai/ckfinder/userfiles/files/41823725451.pdfIn PDF document text
- http://wonikquartz.com/upload/editor/file/1630663519.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613d26ab084c4---56740586071.pdfIn PDF document text
- http://playbabydoll.com/userfiles/file/84123741005.pdfIn PDF document text
- http://longtra.vn/userfiles/file/napalijijamone.pdfIn PDF document text
- https://rainbowprinter.com/app/webroot/files/file/nikajuz.pdfIn PDF document text
- http://szilasfood.hu/pic_upload/files/42708870647.pdfIn PDF document text
- http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/90742451317.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8C5 | 19376 bytes |
SHA-256: c117a543b21f51f91e1003e3dd30cf920c6933495be1c0d3552e90c4c819ddc7 |
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font_01_sfnt_off0000fb2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB2D | 10180 bytes |
SHA-256: 243d253a4de0e6d045379497c97719720c1f25752afbeb5e8be1d9b219ff4cbf |
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font_02_sfnt_off000111df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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