MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'SE_BROWSER_INSTALL_LURE' heuristic strongly suggests a social-engineering attack aimed at tricking the user into installing malicious software or revealing credentials. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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 http://fsgpj.com/upfolder/e/files/20210907055610.pdf In PDF document text
- http://stnicholasway.com/userfiles/file/murekamuvoj.pdfIn PDF document text
- http://sp3siemianowice.pl/userFiles/files/bisigipuj.pdfIn PDF document text
- http://newtarrytowndeli.com/uploads/files/mimumada.pdfIn PDF document text
- http://vietkinggroup.com/uploads/userfiles/file/bexatejezatuza.pdfIn PDF document text
- https://eltonltd.ru/sites/default/files/uploads/zakulibi.pdfIn PDF document text
- https://www.domaine-boussard-chablis.fr/ckfinder/userfiles/files/56910171513.pdfIn PDF document text
- http://chapraptti.org/userfiles/file/44903376009.pdfIn PDF document text
- https://cityface.cz/res/file/93111640675.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-9/file/resigoxazada.pdfIn PDF document text
- http://alhambra.kopanramen.com/uploads/files/fasivogigitamefunopodur.pdfIn PDF document text
- http://smolninskayahotel.com/userfiles/file/49484578561.pdfIn PDF document text
- http://worldtile.net/jangheung/userfiles/file/kegufuripilif.pdfIn PDF document text
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8a7b11e23a20a536279a1d67f82c1052/1462138776.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/xexujamopef.pdfIn PDF document text
- http://canadianrockies.ca/files/file/49376449137.pdfIn PDF document text
- http://sksound.com/userfiles/file/99905482066.pdfIn PDF document text
- http://onyx-innovations.com/assets/ckfinder/userfiles/files/fexovuroveribidomisukeri.pdfIn PDF document text
- https://manenshop.com/upload/files/35951514010.pdfIn PDF document text
- http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea91572e60---72046397373.pdfIn PDF document text
- http://drzwiukryte.pl/userfiles/file/rizaravawi.pdfIn PDF document text
- http://dges.in/userfiles/file/25924276430.pdfIn PDF document text
- http://thoitrangvabaoho.com/Images_upload/files/80147721348.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=reduce+pdf+file+size+below+100kb+onlinePDF 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_off0000b847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB847 | 10952 bytes |
SHA-256: de430852a39943145c6d64b4a3e7220690ccd4b4d9542f7248d48ecd43b8b4f0 |
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font_01_sfnt_off0000d1a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e9b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B4 | 15916 bytes |
SHA-256: 8928b9fae4d77f00216740b5488d491e99c41082055727b6eb165f005b1c85cf |
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