MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, with a prominent one pointing to 'jacksth.ru', suggesting a redirection to a phishing or malware distribution site. The PDF's structure and the presence of multiple links indicate it's designed to lure users to external, potentially malicious, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 5
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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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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 https://jacksth.ru/strik?utm_term=risk+measurement+process PDF link annotation
- https://mitenipup.weebly.com/uploads/1/3/4/3/134363071/jufimuvu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4494874/normal_6046e040aaa16.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4415962/normal_5ff982342f204.pdfIn PDF document text
- https://lejumapufa.weebly.com/uploads/1/3/4/6/134688193/gujovuxifajam.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417325/normal_6032e7a36e50e.pdfIn PDF document text
- http://manapuzasupin.sportsontheweb.net/curso_completo_de_apicultura_layens.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417659/normal_5fcee33d71dcf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4387703/normal_5ff9107379e02.pdfIn PDF document text
- https://fupakedozoj.weebly.com/uploads/1/3/1/4/131407080/pubajigudabokivoji.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4469828/normal_6050c9ba44007.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383165/normal_60147473f161f.pdfIn PDF document text
- http://gipilunafa.iblogger.org/rawivutesero.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463533/normal_60561051a981d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4527357/normal_600ca8328e256.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/xidulumexi/cms_billing_guidelines_for_air_ambulance.pdfIn PDF document text
- https://s3.amazonaws.com/rupatojuko/xuwozu.pdfIn PDF document text
- https://s3.amazonaws.com/xixonu/coelho_sabido_1_serie_portugues.pdfIn PDF document text
- http://butukiri.epizy.com/air_force_bdu_uniform_regulations.pdfIn PDF document text
- https://s3.amazonaws.com/sowewazulejewi/dipuwigujevodovubote.pdfIn PDF document text
- http://bekisamusexasu.rf.gd/warolosapokobi.pdfIn PDF document text
- http://nejesezape.myartsonline.com/adobe_pro_2020_download.pdfIn PDF document text
- http://loxupobupibim.atwebpages.com/50773619410.pdfIn PDF document text
- http://tugepujato.rf.gd/avira_antivirus_pro_business_edition.pdfIn PDF document text
- http://lojabupabavize.onlinewebshop.net/how_to_lose_belly_fat_indian_diet.pdfIn PDF document text
- http://matewedidoxeber.onlinewebshop.net/nys_dmv_cdl_permit_test_appointment.pdfIn PDF document text
- https://s3.amazonaws.com/meludav/xivefavof.pdfIn PDF document text
- http://gifexepes.rf.gd/vimodiwurapezuweboxejif.pdfIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000104e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E9 | 5000 bytes |
SHA-256: 752b3b33d46e7b50d0d0bf9fc49876aa1b4e39e92ac631692592cb6bdff54b12 |
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font_01_sfnt_off000115cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CF | 11396 bytes |
SHA-256: 0cf78ba4589fee489ca123f8d22be9a9a21c4d020f52ab2d57923e67f0a2cc92 |
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font_02_sfnt_off00013c43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C43 | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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