MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious content. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm designed to redirect users to potentially malicious sites. The presence of external URIs and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://zajinet.ru/wix?keyword=irulu+tablet+case
- http://freshmind.net/26284016678e9s1l.pdf
- https://cdn.sqhk.co/tejilunuf/iaoidO5/90613854650.pdf
- https://cdn-cms.f-static.net/uploads/4489599/normal_601db5493650c.pdf
- http://policyhelpcenter.com/edema_cerebral_sintomasm7vt0.pdf
- https://cdn.sqhk.co/walamalesumi/dS8Giez/soteworodifokowurepawenev.pdf
- https://cdn-cms.f-static.net/uploads/4450884/normal_604ce61adaaf9.pdf
- https://cdn.sqhk.co/kuwusemob/qCyRcJP/fdic_call_report_glossary.pdf
- http://imedo.ru/pikaganopubetet31co.pdf
- http://texoraw.sportsontheweb.net/asal_muasal_pelukan_candra_malik.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://xepatodop.onlinewebshop.net/greek_mythology_reviewer.pdf
- https://88749095-6fd7-453f-8e8a-15b48fe47dd1.filesusr.com/ugd/e4d7df_28835ee6f0ab4e6eaa4be102f2f79376.pdf?index=true
- https://203aa715-7352-46b1-b16b-5d0aeeaa27a2.filesusr.com/ugd/0582e0_01f603ee8ac2423ab6dcb29421875b71.pdf?index=true
- https://uploads.strikinglycdn.com/files/fa69f192-a2f5-4e65-8b14-e75962007073/43246208058.pdf
- https://uploads.strikinglycdn.com/files/9348ae18-47b7-4761-8f8f-e30f0f413c0a/99410414531.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_off0000f448.binb02f1965dc777e28c4573f33268be7c3f6483b27d0bedb73df7ac3469e77dbe9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF448 | 4872 bytes |
font_01_sfnt_off000104da.bina31010a97ce2e249db66f3e90d2087f9d49777718b271093ffe6448e020840eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DA | 11184 bytes |
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