MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was identified as malicious by ClamAV and an ML classifier, with high confidence. It contains embedded JavaScript and a significant number of external URIs pointing to disposable domains, indicating a phishing or malware distribution attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the malicious intent by highlighting the link farm nature of the document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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 http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/xoredegubelonivagonadan.pdf In PDF document text
- https://unique-u.biz/images/uploads/file/21068174598.pdfIn PDF document text
- https://drlalashow.com/php/billboard/uploads/file/81122987847.pdfIn PDF document text
- https://eghamatkade.com/basefile/eghamatkadecom/files/filelibejotibo.pdfIn PDF document text
- https://ibliberia.com/ckfinder/userfiles/files/99393337834.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/57152204639.pdfIn PDF document text
- http://armiikrajowej36.pl/public/upload/ckfinder/userfiles/files/92508562772.pdfIn PDF document text
- http://dallapietamarchisio.it/userfiles/files/83230921340.pdfIn PDF document text
- http://allasclub.com/campannas/file/59909369937.pdfIn PDF document text
- https://specialgarden.ro/userfiles/file/5220642936.pdfIn PDF document text
- https://minervatech.work/js/ckfinder/userfiles/files/kalukixuxigolapoxavazijom.pdfIn PDF document text
- http://prunay-en-yvelines.fr/ckfinder/userfiles/files/6164700868.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/19309333063.pdfIn PDF document text
- http://www.ap-arte.ro/fckupload/file/xokumuguxukabugit.pdfIn PDF document text
- https://conviviodihera.it/dati/upload/file/nifinesuviwibaxosamaju.pdfIn PDF document text
- http://amphorabeautyclub.com/campannas/file/40886535914.pdfIn PDF document text
- https://www.corpeverest.com/ckfinder/userfiles/files/94680407072.pdfIn PDF document text
- https://badeluxe.com/userfiles/files/mobemapusoxekefogo.pdfIn PDF document text
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bb7da9f994---93838249722.pdfIn PDF document text
- https://mastirz.com/userfiles/files/43232441444.pdfIn PDF document text
- http://seamcc.com/UserFiles/files/fuwosexu.pdfIn PDF document text
- http://parejalecaros.com/adjunto/upload/fck/files/74272715633.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/jujuxadokibezosujina.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=historia+de+la+personalidad+pdfPDF 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_off0000b3a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3A3 | 15608 bytes |
SHA-256: d095be761b5e9830b832bd47af3bcdd09b90e76a0b76f2eb4f499712f2aeacf5 |
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font_01_sfnt_off0000da3d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA3D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f254.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF254 | 10480 bytes |
SHA-256: 67d2cd659c19f6011a4ec642eac9c56b67d2c175c087a9ed2e56bce6c251ff7b |
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