MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF containing an embedded URL that points to a suspicious domain, identified as malicious by ClamAV and ML classifiers. The document body, though heavily obfuscated, appears to be a lure related to a study guide. The presence of an external URI and the overall detection by multiple security tools 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://seumenha.ru/123?utm_term=chromosomes+and+meiosis+study+guide+6.3 PDF link annotation
- https://static.s123-cdn-static.com/uploads/4486346/normal_5fefbd478c8e2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4502268/normal_5fd8e7c588027.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367947/normal_5fdef18eaf612.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383795/normal_5fe834e024654.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485939/normal_601f0ddf39e1d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444377/normal_5fe64b4bafc40.pdfIn PDF document text
- http://copyright-help-report.com/examen_medico_laboral_formatoud8qr.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zagubip/nasevizagem.pdfIn PDF document text
- https://s3.amazonaws.com/jefobexapulow/mumanulagokosakapetefukix.pdfIn PDF document text
- https://s3.amazonaws.com/kigavanus/brightburn_tamil_dubbed_movie.pdfIn PDF document text
- http://kabudevegal.epizy.com/wubedixogewemawogavaxoxid.pdfIn PDF document text
- https://s3.amazonaws.com/vekodupiwarobi/75996152255.pdfIn PDF document text
- https://s3.amazonaws.com/kuxuxemu/8143928909.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_off0000ba9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA9A | 5564 bytes |
SHA-256: f5ba9958c744583a0d9707200270e7662553931ffc04f1da7f850ec9ed57ba84 |
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font_01_sfnt_off0000cd61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD61 | 10012 bytes |
SHA-256: bcb7204da9f21b70e0b787972f3670bdc860f12221063e89e35ccebb5abb16e1 |
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