MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many pointing to potentially disposable domains and using UTM parameters, suggests a phishing or malware distribution campaign. The document body is heavily obfuscated, but the overall structure and URL patterns are consistent with a link farm used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://nomylo.ru/uplcv?utm_term=illegal+movie+streaming+sites PDF link annotation
- https://familienbilstrup.dk/userfiles/file/69775946286.pdfIn PDF document text
- http://studioingtassinari.eu/userfiles/files/21166720.pdfIn PDF document text
- https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/nadapinuxoxixe.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614e3cdc9c47f---voponeli.pdfIn PDF document text
- http://microcement.ua/userfiles/file/29426192368.pdfIn PDF document text
- http://ain.proximeo.com/ckfinder/userfiles/files/getaz.pdfIn PDF document text
- http://hightopeducation.com/cms_uploaded/file/79195392425.pdfIn PDF document text
- http://emilygrilltogo.com/uploads/files/56301313454.pdfIn PDF document text
- http://mopron.ru/upload/files/xefopamizunukabovozixe.pdfIn PDF document text
- http://vtaky.sk/media/file/89251976339.pdfIn PDF document text
- https://democv.associasuite.com/imagenes/contenidos/files/90884632476.pdfIn PDF document text
- http://nayyaralidada.com/alpha/ckfinder/userfiles/files/jewaderagike.pdfIn PDF document text
- https://repetitorebi.ge/userfiles/files/95975964873.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/vurazugenibagotu.pdfIn PDF document text
- https://organicfertilizerproduction.com/d/files/zugijigoporiv.pdfIn PDF document text
- http://wangyiphk.com/userfiles/piwugebesiwa.pdfIn PDF document text
- http://red-persimmons.com/upfiles/editor/files/43010143588.pdfIn PDF document text
- https://investmentskillsgroup.com/images/userfiles/file/zaxazajozawuropazo.pdfIn PDF document text
- http://folientastaturen.pl/_data/file/mivuvijujuvufipaxe.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/pavabane.pdfIn PDF document text
- https://havilahbuilders.com/userfiles/file/jupelexefazinosiru.pdfIn PDF document text
- http://vladekoservis.ru/files/42643587597.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/161351bfa2bc26---fexape.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_off0000b4cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ccde.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCDE | 17624 bytes |
SHA-256: 24ae85d32a5b91ec1f1cffef66592af0c924193f66119e6a349e91c91c17f4e5 |
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font_02_sfnt_off0000f9de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DE | 10468 bytes |
SHA-256: 093ba59b4dfb58119102d337fe4f7f84173a804e03d5c6a1c487ae05cb630a3d |
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