MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm or phishing lure. The presence of external URIs and the overall structure strongly indicate an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://medvor.ru/uplcv?utm_term=share+files+from+iphone+to+android PDF link annotation
- http://nissanotogovap.vn/uploads/images/files/40388595533.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388b619fdbc---25199052235.pdfIn PDF document text
- https://alkirbilaw.com/userfiles/files/sejebu.pdfIn PDF document text
- http://tplustech.com/images/ckeditor/files/gixoki.pdfIn PDF document text
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gamuga.pdfIn PDF document text
- http://szyqjsj.com/UploadFile/file/20210904073611295.pdfIn PDF document text
- https://gamepinleri.net/calisma2/files/uploads/namifo.pdfIn PDF document text
- http://scsychem.com/upload/files/pikepa.pdfIn PDF document text
- http://homelife-superstars.com/image/files/nipajomazibiwofokajimuf.pdfIn PDF document text
- https://speedwayinfo.hu/uploads/file/kugadazifazuzerevemof.pdfIn PDF document text
- http://csc028.com/userfiles/file/20210905183119_yx1fg8.pdfIn PDF document text
- http://nktrading.qa/file/files/zosolofituvamomobepiwabor.pdfIn PDF document text
- https://evergreencans.com/userfiles/file/56415611569.pdfIn PDF document text
- http://theemasternetworker.com/ckfinder/userfiles/files/77743019955.pdfIn PDF document text
- http://antonellascarpittadesigner.it/userfiles/files/dajuliforesunifob.pdfIn PDF document text
- https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/64436036263.pdfIn PDF document text
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/debid.pdfIn PDF document text
- http://ukonlinedirect.com/userfiles/files/17013482951.pdfIn PDF document text
- http://bamboomfi.com/htdocs/cljr/data/files/35435292819.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/vogomotenag.pdfIn PDF document text
- http://yaan121.com/uploads/files/202109060858082049.pdfIn PDF document text
- https://www.ccs-corporation.com/ckfinder/userfiles/files/wulomobax.pdfIn PDF document text
- http://daechienglishpark.com/ckfinder/userfiles/files/44792056561.pdfIn PDF document text
- http://radtel-sport.pl/userfiles/file/nobufep.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/baf88fc65e8790223e212a6fde18ced4/88234450225.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_off0000d6e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eeff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEFF | 10836 bytes |
SHA-256: e6c70f50ed3dcfd7dc49362444bc861a396c76f7d7870f63bae9f863a29145b3 |
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font_02_sfnt_off000107bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BD | 19020 bytes |
SHA-256: a57d88403e9d7c1fc4ff2c17ac75f6b1ec8a00d92e333e67a54cc38ee3015122 |
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