MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The document body, though heavily obfuscated, contains text related to a 'Viscosity lab worksheet' and the authoring application indicates it was generated by wkhtmltopdf, a tool often used to create PDFs from web content. The primary IOC is an external URI pointing to a suspicious domain, likely used for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 4
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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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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://nipisod.ru/wix?keyword=viscosity+lab+worksheet
- http://tuworiki.22web.org/busqueda_de_informacion_en_la_redaccion.pdf
- https://degewobajobazim.weebly.com/uploads/1/3/5/3/135324790/nalemimirijemedin.pdf
- https://cdn-cms.f-static.net/uploads/4464067/normal_600fae7c423ca.pdf
- https://lobududovidaxu.weebly.com/uploads/1/3/3/9/133997350/jabulavu.pdf
- http://tegor.xyz/wogofuxodogevirexazemeqsb.pdf
- https://gepadagonuvo.weebly.com/uploads/1/3/0/7/130775626/be233dba9.pdf
- http://exampl1214.com/david_s_bridal_wedding_gown_rentalsgy8b0.pdf
- https://cdn.sqhk.co/vumuwuxa/bjigUyp/1980_riverside_drive_macon_ga.pdf
- http://dom-bita.org/what_does_abnormal_findings_meang9ktk.pdf
- https://cdn-cms.f-static.net/uploads/4421787/normal_602c72cd01498.pdf
- https://cdn.sqhk.co/lilapanorup/iGghgig/ledaxumogovisivokage.pdf
- https://cdn.sqhk.co/xedaberetaj/FjdFhcn/no_1_trending_video_on_youtube_worldwide.pdf
- https://cdn.sqhk.co/sofizagumup/eKjeSic/this_means_war_charles_jenkins_live.pdf
- http://efarbok.xyz/96340715513ytz6f.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- http://zonefodewev.rf.gd/kinaxorudojotovonizigar.pdf
- http://jurigixa.rf.gd/nafuxesomobepubigewa.pdf
- http://nakapuzukatojog.rf.gd/89319034884.pdf
- http://moborudazijom.epizy.com/pan_card_online_format.pdf
- http://josegofubusem.epizy.com/atlas_of_paleocene_planktonic_foraminifera.pdf
- http://potikuwujez.rf.gd/solving_quadratic_equations_by_graphing_calculator_worksheet.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010c9b.bin9eb2584f6ebe6ee747472888665d364b8db0a82c57447b05cf3c1b687edac675 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C9B | 4932 bytes |
font_01_sfnt_off00011d84.bin30334176eef8f12d0c83e98247d5d44cd4e75f66116bcbcc00fa12b455cf6d81 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D84 | 11444 bytes |
font_02_sfnt_off0001448f.bin1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1448F | 4324 bytes |
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