MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also contains numerous external URIs, many of which point to potentially malicious domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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 https://bunyaminerdemir.com/resimler/files/41065419379.pdf In PDF document text
- https://pointwebhost.com/calisma2/files/uploads/24675198424.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/a073c7da7072e7426c7b5940d60bd553/39342146301.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/xenopisepomazipegozulol.pdfIn PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614111b812379---sajinabukediwuzopakukidi.pdfIn PDF document text
- http://csc0731.com/userfiles/file/20210925214844_9kfyvw.pdfIn PDF document text
- http://1qjd.com/upload/files/2021-09-28-23-07-21-2Qkg1B8M.pdfIn PDF document text
- http://bagiez.de/userfiles/file/tazatofeterazu.pdfIn PDF document text
- http://phutungotodungha.com/img/files/fusaxasaxo.pdfIn PDF document text
- http://cgemfoco.com.br/ckfinder/userfiles/files/mupovanumojazaleda.pdfIn PDF document text
- http://project-lovcen.me/userfiles/file/59894934439.pdfIn PDF document text
- http://candientushinko.com/images/file/kejapaxadod.pdfIn PDF document text
- http://formacio.fic.cat/uploads/file/fisaluxafejuzipafunit.pdfIn PDF document text
- http://gok-maciejowice.pl/js/ckfinder/userfiles/files/mepetajemegozuvopetexi.pdfIn PDF document text
- https://hoangphatdanang.xetnghiemadndanang.com/uploads/image/files/geludijevixoxifavava.pdfIn PDF document text
- http://bighost.vn/uploads/userfiles/file/82044560868.pdfIn PDF document text
- https://eniedu.com/data/file/20210916160830.pdfIn PDF document text
- http://centonze-vini.com/userfiles/files/nagirumapural.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/33931625597.pdfIn PDF document text
- http://jszl-rolls.com/filespath/files/20211002160429.pdfIn PDF document text
- http://ultrabeauty-ff.ru/userfiles/file/nipawojuguwelezaxos.pdfIn PDF document text
- http://hennel.hu/sources/elemek/file/fadilab.pdfIn PDF document text
- https://pediatricpotentialsnj.com/PP/PPpng/files/lexewujamivigaxasemad.pdfIn PDF document text
- http://0851gay.org/userfiles/202110file/2021101113185570554.pdfIn PDF document text
- http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bilixajuwebew.pdfIn PDF document text
- https://feedproxy.google.com/~r/Gsjc/~3/HTGXzuRVGb4/uplcv?utm_term=functional+organizational+chart+examplePDF 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_off0000d83b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD83B | 18068 bytes |
SHA-256: 13fabeab610b18fc256d7007a641327bcf57e5f672fb7504af74fc5a3abce27d |
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font_01_sfnt_off000107a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107A3 | 10892 bytes |
SHA-256: f922e8f12b3027ec80b7ed35931c66cd8221770f2ce2efa5a2bae44df29dbf9a |
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font_02_sfnt_off000120b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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