MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The presence of an embedded JavaScript stream and a high number of external URIs, many pointing to potentially disposable domains, strongly indicates a malicious intent. The ML classifier and ClamAV detection further support this, flagging the PDF as malicious. The embedded JavaScript likely attempts to download or redirect the user to a secondary malicious resource.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://ipllaser.in/uploads/xofikoraxaposajozuro.pdf In PDF document text
- https://mobilieroccasion.fr/uploads/file/52706658117.pdfIn PDF document text
- http://indexone.ru/upload/file/83649596110.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/pn0e86tcfb8go08cg3ss8a46q8/kojib.pdfIn PDF document text
- http://aaronandanthony.com/userfiles/files/4872422661.pdfIn PDF document text
- https://vwb.mrv-educationservices.com/content_file/files/72015164551.pdfIn PDF document text
- https://manorhair.com/uploads/files/202109100124574812.pdfIn PDF document text
- https://art-gallery.mn/uploads/files/jesutuwelinozedomatule.pdfIn PDF document text
- http://senvietsystem.com/ckeditor/upload/files/72531760050.pdfIn PDF document text
- https://omprintandpack.com/userfiles/file/26581752306.pdfIn PDF document text
- http://barahi.com/assets/userfiles/files/48334319178.pdfIn PDF document text
- https://kocarbon.vn/luutru/files/nupiza.pdfIn PDF document text
- https://ndmoyun.com/calisma2/files/uploads/23547178348.pdfIn PDF document text
- http://fogathajtohirek.hu/fckfiles/file/95455457135.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d5ded0a4c---kikuluvexaxekubo.pdfIn PDF document text
- http://pk.mo/userfiles/file/lipuvivusomewu.pdfIn PDF document text
- http://hkxhjfc.ltd/uploads/files/20210908014830.pdfIn PDF document text
- http://bekkercoon.ru/ckfinder/userfiles/files/82582824629.pdfIn PDF document text
- https://kamarkosong.com/contents/files/27295090850.pdfIn PDF document text
- https://wonkingchina.com/d/files/81062973634.pdfIn PDF document text
- http://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/vosajogimeronubu.pdfIn PDF document text
- http://ux02.wadhost.com/js/ckfinder/userfiles/files/48831501417.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/gudimizudefemofos.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=android+project+ideas+2020PDF 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_off0000e658.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE658 | 17640 bytes |
SHA-256: 5dbacbbb7c90813d2a6e0252e4e9d845fe859f95d09af186aafe341b1d0fccb5 |
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font_01_sfnt_off000113ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113CA | 10812 bytes |
SHA-256: f654a5c1bf3e0476148ed5a167b9b9b1f318902a16c71214941acc02d6e483a3 |
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font_02_sfnt_off00012ce0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CE0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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