MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for delivering malicious payloads. The PDF also contains numerous external URIs, many of which point to PDFs hosted on disposable domains, suggesting a link farm designed to obscure the true malicious destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/pulapajuruwegagigepuw.pdf In PDF document text
- https://eletroluz-al.com/_IMG/img_internas/file/tanuvuwivibijeporalijodu.pdfIn PDF document text
- http://unseretochter.ch/images/file/71516674046.pdfIn PDF document text
- http://yizhu580.com/ckfinder/userfiles/files/96314777968.pdfIn PDF document text
- http://barcelonasixtytwo.com/userfiles/file/pabosojibemitugeguz.pdfIn PDF document text
- http://www.centrosanmarco.eu/img/news/files/budomemobisoforuvutusan.pdfIn PDF document text
- http://drumlockingclamp.com/FCK_Editor_Images/files/52615776493.pdfIn PDF document text
- http://iucecb.com/files/file/seravabiviluraramilor.pdfIn PDF document text
- http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/8379991985.pdfIn PDF document text
- http://szentdorottyapatika.hu/files/godovutuvetuwak.pdfIn PDF document text
- http://kleinschaden-expert.de/userfiles/file/31401044725.pdfIn PDF document text
- http://deltools.com/userfiles/file/53256305405.pdfIn PDF document text
- http://machi-tomo.xyz/js/ckfinder/userfiles/files/92206316065.pdfIn PDF document text
- http://minhanh.com/files/98723413378.pdfIn PDF document text
- http://resheto.ru/users_images/fck/file/fagaresuwub.pdfIn PDF document text
- http://www.childofafrica.org/media/userfiles/file/23041614350.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131192727eda---23403095594.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613468b815021---62483101337.pdfIn PDF document text
- https://gamepinleri.net/calisma2/files/uploads/namifo.pdfIn PDF document text
- http://mundori.com/js/ckfinder/userfiles/files/19459076080.pdfIn PDF document text
- http://saktigroup.in/uploads/14922089772.pdfIn PDF document text
- http://ingmarcofaedi.com/userfiles/files/xetivivanasosawolak.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614086b3435c6---sizokiwososigikegoze.pdfIn PDF document text
- http://hermanosgolbano.com/admin/fckeditor/editor/filemanager/connectors/phpfile/92776286562.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=sonic+3+download+apkPDF 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_off0000db6a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB6A | 17520 bytes |
SHA-256: ba04ecbf34efbbdb698160bff14667aacb8f5c72103c904d9c6e8461e733b111 |
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font_01_sfnt_off00010871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10871 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012088.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12088 | 10436 bytes |
SHA-256: 49769d19c0a972fe77060c45329d639910f42e3ae8c8ec3a35645b9c9a3c88cb |
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