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 pointing to external sites, with many flagged as unknown reputation, suggesting a link farm or phishing lure. The PDF structure and embedded content are consistent with attempts to redirect users to potentially harmful destinations.
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://duongthuy.net/userfiles/file/91480967394.pdf In PDF document text
- https://hkfew.org.hk/ckfinder/userfiles/files/33340033629.pdfIn PDF document text
- http://tobn56.com/UpFiles/file/97127413575.pdfIn PDF document text
- https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/34055781637.pdfIn PDF document text
- http://chanakol.com/ckfinder/userfiles/files/nopizuwezaped.pdfIn PDF document text
- http://arkystudio.eu/userfiles/files/dorezugababepowete.pdfIn PDF document text
- https://gastrotest.co/ckfinder/userfiles/files/62148091322.pdfIn PDF document text
- https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/ranupiwugufujisimuvad.pdfIn PDF document text
- https://www.hermanosvalerorecio.com/ckfinder/userfiles/files/38679145291.pdfIn PDF document text
- http://elitacasa.it/images/file/levoba.pdfIn PDF document text
- https://laps.pl/userfiles/file/20461327274.pdfIn PDF document text
- http://mxagproducts.com/upload/browse/file/46650091930.pdfIn PDF document text
- http://permanentnimakeup-brno.cz/userfiles/files/kadivefed.pdfIn PDF document text
- http://aaz.sk/editor_uploads/files/nalafukilileza.pdfIn PDF document text
- https://luiginoiobbi.com/userfiles/file/74925658292.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/sobibopipubos.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/4194f8ca742561acae0428fc61609162/52780577589.pdfIn PDF document text
- http://lotusburbank.com/uploads/files/vonobuzularefasifenuwipa.pdfIn PDF document text
- https://granitabrasive.ro/editor_up/wewoj.pdfIn PDF document text
- https://dichvuketoansg.com/luutru/files/21804210551.pdfIn PDF document text
- http://yameitecl.com/ckfinder/userfiles/files/20210926_075513.pdfIn PDF document text
- http://qualityspices.in/ckuploads/files/24974064736.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/15841059416.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=best+apps+to+have+on+your+phonePDF link annotation
- 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_off0000b27e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB27E | 10544 bytes |
SHA-256: 7944d9253f34c3a789425b3e8059246f043fc1730b631c4ce028711cefdc03e3 |
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font_01_sfnt_off0000ca98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA98 | 17032 bytes |
SHA-256: 4923ac3f3f387b84ae4593b30019de1fb022e3ae2d99f020367919ad2e11a6ee |
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font_02_sfnt_off0000f612.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF612 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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