MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains an embedded URI pointing to a suspicious domain, 'jacksth.ru', which is flagged as malicious by heuristics and ClamAV. The document body, though heavily obfuscated, contains text related to Australian wildlife, suggesting a lure to disguise the malicious intent. The presence of an external URI and the ML classifier's high confidence score indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://jacksth.ru/strik?utm_term=tawny+coloured+wild+dog+of+australia
- https://static.s123-cdn-static.com/uploads/4491451/normal_5fcad5449375b.pdf
- https://cdn.sqhk.co/galemojubemo/dShblih/best_online_course_to_learn_to_sing.pdf
- https://cdn.sqhk.co/loziromegon/haib8he/56633531005.pdf
- https://cdn.sqhk.co/wojusipi/jtm4Uhd/feluzabagigavuzelede.pdf
- http://lifegirls.site/909354833733ntm9.pdf
- http://lesantyqas.online/dikinufikaw6lfc9.pdf
- https://cdn-cms.f-static.net/uploads/4376354/normal_6033f30802041.pdf
- https://static.s123-cdn-static.com/uploads/4460263/normal_5fce8ecb4f7cd.pdf
- https://cdn.sqhk.co/mofijovelu/ggVjfji/navneet_kumar_gupta_insolvency_professional.pdf
- https://cdn.sqhk.co/kajipazuto/0jiUiff/36202965468.pdf
- https://cdn.sqhk.co/naxudufejik/eSigiga/arabic_malayalam_dictionary_free.pdf
- https://cdn-cms.f-static.net/uploads/4369932/normal_60252697bfd4d.pdf
- https://cdn-cms.f-static.net/uploads/4416786/normal_602ae705e7617.pdf
- http://iblack.space/arnold_sonatina_clarinet9pi6k.pdf
- http://newsportstechnology.ru/vikibotuu5yq2.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/01a69587-7ee6-430b-bf1e-b661ca749c69/how_to_restart_a_wall_heater.pdf
- https://uploads.strikinglycdn.com/files/70f51df1-1a0d-460d-833c-ca38fa5cfe8c/what_are_the_types_of_operating_system_and_their_functions.pdf
- https://uploads.strikinglycdn.com/files/9e8d9a77-3a2b-426c-b2fd-c3b13c811edf/35405824138.pdf
- https://uploads.strikinglycdn.com/files/f0cf8b03-f321-4ba6-8a33-59cb0ce2e238/nazim_hikmet_almanca_iirler.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f377.bin28fe828c120af1c15fe55457fc88b3a3f401600ab04e308adf5606601667ec6c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF377 | 5332 bytes |
font_01_sfnt_off000105c8.bine2b2877a64313e4ba504ff4093dc8510a9898423faee60606aba2035542e5da0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105C8 | 10448 bytes |
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