MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by multiple heuristics, including ML and ClamAV, as malicious. It contains numerous embedded URLs that point to external sites, suggesting a link farm or phishing attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically indicates a non-clustered link farm on disposable hosting, reinforcing the malicious intent. No scripts were extracted, but the overall structure and URL distribution point towards a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=best+combinations+game+dev+story PDF link annotation
- http://studioturina.com/userfiles/files/24124325614.pdfIn PDF document text
- https://mai-avto.ru/upload_files/file/98318858994.pdfIn PDF document text
- https://www.jaegeraviation.com/ckfinder/userfiles/files/46754428819.pdfIn PDF document text
- http://land89.com/ckupload/files/19499552320.pdfIn PDF document text
- http://branonperformance.com/ckfinder/userfiles/files/suninadusekumiwuve.pdfIn PDF document text
- http://zangerlelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/ririjoxekamufekilod.pdfIn PDF document text
- http://annassteen.com/ckfinder/userfiles/files/bubesadoxovelinakunit.pdfIn PDF document text
- http://www.greenfield-sustainability.com/images/files/fikalamejakezalu.pdfIn PDF document text
- http://dongkoo.com/uploads/editor/files/degaporune.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/d84276f347c749b7732e1bb3212e0704/zinapekiserularemi.pdfIn PDF document text
- http://chafewyuok.handysociality.com/upload/files/vufolijidisarovirivesud.pdfIn PDF document text
- http://medicalproduct.hu/images/files/pejexu.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/c0b74cdbbc7e4f8140873706214ef72d/bufapamibevelesajirotogun.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/sibiwebejakibofu.pdfIn PDF document text
- http://sanzmendia.com/userfiles/files/vuvubasavakanaw.pdfIn PDF document text
- https://cs-nippon-cp.com/mailmagazine/upload/files/xomosojasulefotugukufeko.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/43518617699.pdfIn PDF document text
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/98518773445.pdfIn PDF document text
- https://centrorevisionimonregalese.it/file/60789784952.pdfIn PDF document text
- http://fecirturizm.com/resimler/files/bojapalerejikatulomi.pdfIn PDF document text
- https://akconta.com/uploads/files/zevapekus.pdfIn PDF document text
- http://familiehollander.nl/images/uploadedimages/file/xixegoxowu.pdfIn PDF document text
- http://konberdbio.com/upload/files/19921753990.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_off0000bea9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEA9 | 11040 bytes |
SHA-256: 665356c43278b143a7c10f48750b7733d12c75e8159b4cc9cf16ba77e43f528b |
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font_01_sfnt_off0000d83b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD83B | 19028 bytes |
SHA-256: 45332d16082bf6cd6335b2b6764f5f00c9cd71d524eb0568936fc971473cb651 |
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font_02_sfnt_off00010a10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A10 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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