MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URI pointing to 'kuzutuzo.ru', which is likely a malicious domain used to host the phishing content. The document body, though heavily obfuscated, suggests a 'color theory psychology test' lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://kuzutuzo.ru/strik?utm_term=color+theory+psychology+test
- http://pibugimax.iblogger.org/nukewawupivo.pdf
- https://cdn.sqhk.co/rorajakura/Rmshehg/dasisog.pdf
- https://static.s123-cdn-static.com/uploads/4500450/normal_5fe40be3ca3af.pdf
- https://cdn-cms.f-static.net/uploads/4530712/normal_6055561633b31.pdf
- https://cdn.sqhk.co/tamejenonisi/XHidxih/spiral_ham_in_crockpot_with_coke.pdf
- https://cdn-cms.f-static.net/uploads/4445558/normal_605dda3b7ae98.pdf
- https://cdn.sqhk.co/kokademesuz/hgAjjOR/32155203276.pdf
- http://jixelaxoli.66ghz.com/vizikodukeminerixegutab.pdf
- https://cdn-cms.f-static.net/uploads/4421472/normal_6066bb4528707.pdf
- http://lutosiniboj.22web.org/lanofunizinu.pdf
- https://cdn.sqhk.co/roratumopiv/xwL3jak/vuvisuto.pdf
- https://cdn-cms.f-static.net/uploads/4495849/normal_6064ffac80152.pdf
- https://cdn.sqhk.co/mumoragato/jbgc6df/76502400843.pdf
- https://static.s123-cdn-static.com/uploads/4464524/normal_5ff9903b1b7f1.pdf
- https://cdn.sqhk.co/veleviziwew/mji0ifq/dojosomeleg.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/5e100631-f7ab-4261-b1f3-00be71ddb68f/1993_mercruiser_5.0_service_manual.pdf
- https://uploads.strikinglycdn.com/files/2e98fa57-7b62-402f-b0d8-f4dea62ce793/50812821298.pdf
- https://uploads.strikinglycdn.com/files/98feb7ae-52f8-45be-89f2-c5454fd86d29/avantapure_water_softener.pdf
- https://uploads.strikinglycdn.com/files/8abbcc3c-0720-4f08-b461-9eba90cc61ed/plantronics_bluetooth_headset_pairing.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_off00025a49.bin412f6dd8ff2d066e2cfb27e8e3ac60ceacfe77fa10fc975710557e4551616df0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x25A49 | 4744 bytes |
font_01_sfnt_off00026a90.bin7e9d325989ee36e0ad811ca5a7cf372859c8f8b05599be1a5db726c6f9b7dda3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x26A90 | 11220 bytes |
font_02_sfnt_off000290b1.bina542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x290B1 | 4324 bytes |
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