MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The sample was flagged by a machine learning classifier and ClamAV as malicious. The presence of a fake CAPTCHA heuristic indicates a social engineering attempt to trick the user into performing an action. An external URI was also extracted, suggesting a potential download or redirection to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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://trafficel.ru/strik?utm_term=lucky+patcher+apk+latest+version PDF link annotation
- https://static.s123-cdn-static.com/uploads/4446280/normal_5fcab8d36a04c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418991/normal_5f9fb16fe1dda.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427105/normal_5fb52da88dadf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368489/normal_5f88fc30afd5b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420906/normal_5fd1d115c42fb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366947/normal_5f88f5786c0a2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391305/normal_5fd98a1eed421.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://static1.squarespace.com/static/5fc0eb456b97992eb55c2a22/t/5fcc8dc8d235d37878bfecb6/1607241161026/global_sport_event_horses_ltd.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4654da0a-3d7c-4406-92eb-3e1191f7d9bb/1158314681.pdfIn PDF document text
- https://s3.amazonaws.com/wunupalezozerud/jamededenogotowi.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC83 | 5188 bytes |
SHA-256: 930520e509920dbbb55a1705cf74e371dcd3911181337bc121c5133f8962e23e |
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font_01_sfnt_off0000ee3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE3C | 10956 bytes |
SHA-256: c2eacff160df8f21da1e6f50c4246344d52510a29ab0f3eba3db1bd1b249277f |
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