MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by ML classifiers and ClamAV as malicious. It contains a large number of embedded URLs pointing to various domains, suggesting a phishing or malware distribution campaign. The document's structure and the presence of numerous external links indicate an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://chcial.ru/uplcv?utm_term=office+365+16+product+key
- https://valkexclusief.reviewz.eu/app/webroot/files/userfiles/files/mevuzufifirokumog.pdf
- http://caratow.nl/userfiles/file/wemul.pdf
- https://gamma-electronics-eg.com/userfiles/files/6403014873.pdf
- https://icon-studios.com/userfiles/file/1805599784.pdf
- https://gs-hemeringen.de/ablage/userfiles/files/sosojazuwifigasar.pdf
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131f7a8b01c6---10058129442.pdf
- https://bdaudit.ro/userfiles/file/41942584289.pdf
- http://shijijiaming.cn/filespath/files/20210920082316.pdf
- http://liebherr-tr.com/userfiles/file/30150712705.pdf
- http://slbreakingnews.com/ckfinder/userfiles/files/geravuruzijawowareg.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f46759295b---xegajizulevorulomomubabez.pdf
- http://dr-temt.ru/images/file/79275981459.pdf
- http://www.ssc-ras.ru/ckfinder/userfiles/files/kikagisug.pdf
- https://marwaservicecenter.com/nbloom/fckuploads/file/jenisinexufuzofamex.pdf
- http://24cvety.ru/upload/files/firatidilulemoxoz.pdf
- https://f2h63c2.ip4secure.net/upload/files/kakazuxilogebuje.pdf
- http://emaaravm.net/upload/files/95953388519.pdf
- https://proartgaleria.hu/files/files/81242506274.pdf
- http://cameralehiep.com/hinhanh_fckeditor/file/58514971184.pdf
- http://mirai-kankyo.com/userfiles/files/fititigozonu.pdf
- https://excellencetogether.com/img/files/file/88323901150.pdf
- http://diegogenna.it/userfiles/files/petitawowebafurutuditamex.pdf
- http://thsport.dk/ckfinder/userfiles/files/guburad.pdf
- https://perkunasstudio.com/uploads/files/202109090306329780.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b264.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB264 | 16792 bytes |
font_01_sfnt_off0000ca7b.bin9987168791c6784d5998c5d3ee61b6ec2b365190a9d9d1a3daee2dba1d05e97a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA7B | 10988 bytes |
font_02_sfnt_off0000e44a.bin34366960ee50d2a03fa3d87e71927fb94e4d32b9f603ba213edc9da330a91ed2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE44A | 14436 bytes |
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