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 identified as a phishing trojan. It contains an embedded URI pointing to 'https://jacksth.ru/strik?utm_term=can+chernobyl+still+kill+you', which is highly suspicious and likely serves as a lure for malicious activity. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 4
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=can+chernobyl+still+kill+you
- https://cdn-cms.f-static.net/uploads/4373522/normal_605218ae53e73.pdf
- https://cdn-cms.f-static.net/uploads/4420927/normal_6053ddbf340b3.pdf
- https://cdn.sqhk.co/vonitumefide/whOuhaX/barbie_dreamhouse_adventures_go_team_roberts_wikipedia.pdf
- https://cdn-cms.f-static.net/uploads/4369516/normal_604e4c072d4b1.pdf
- http://jenuxijaf.mygamesonline.org/copd_action_plan.pdf
- https://cdn-cms.f-static.net/uploads/4493195/normal_6015db2418ae7.pdf
- https://static.s123-cdn-static.com/uploads/4383698/normal_6008ce86f3508.pdf
- https://cdn.sqhk.co/rirerujel/jhiae8W/42300092563.pdf
- https://static.s123-cdn-static.com/uploads/4489983/normal_5fef9cfaf2cf9.pdf
- https://cdn-cms.f-static.net/uploads/4383334/normal_60351e89d1bb8.pdf
- http://sosogemizibu.mypressonline.com/92620689960.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/silubebebefuju/wosewepezafaradibejufo.pdf
- https://s3.amazonaws.com/zuniverijesud/blast_nt_database.pdf
- https://s3.amazonaws.com/fedure/hack_wifi_wps_connect_apk.pdf
- https://s3.amazonaws.com/wumodukubaru/50312034795.pdf
- https://s3.amazonaws.com/fejakixoweka/71589084805.pdf
- https://s3.amazonaws.com/fizufapu/iowa_code_232.28.pdf
- https://s3.amazonaws.com/genedonapubefe/bunep.pdf
- https://s3.amazonaws.com/jivamubug/50_shades_of_darker_full_movie_download_filmywap.pdf
- https://s3.amazonaws.com/fojaxexino/609139422.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_off0000e860.bineba6103a57d8c4b88694dceb80cd00e7a26bdd84098e6978dd00faac4ba8422d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE860 | 5100 bytes |
font_01_sfnt_off0000f9b0.bin683c1a5ce29aaa6c8ca5506fcc0316fae959aa5dc30b65d6d0c29e8dd3ec3e9f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B0 | 11232 bytes |
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