MALICIOUS
104
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. The presence of a 'download button' heuristic and an embedded external URI suggests an attempt to trick the user into downloading a payload. Although no scripts were explicitly extracted, the PDF structure and the nature of the heuristics indicate a phishing lure.
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/aws?utm_term=irregular+plurals+printable+worksheets
- https://cdn-cms.f-static.net/uploads/4370309/normal_5f8acc6e49221.pdf
- https://cdn-cms.f-static.net/uploads/4453907/normal_5fbc58cf98048.pdf
- https://cdn-cms.f-static.net/uploads/4391314/normal_5fb2b68b00648.pdf
- https://cdn-cms.f-static.net/uploads/4412583/normal_5faa0b626fe89.pdf
- https://cdn-cms.f-static.net/uploads/4477163/normal_5fbf04bcd401d.pdf
- https://cdn-cms.f-static.net/uploads/4379483/normal_5fb76e7b92bea.pdf
- https://cdn-cms.f-static.net/uploads/4454813/normal_5fa36a38a97af.pdf
- https://cdn-cms.f-static.net/uploads/4419433/normal_5fbf11699338e.pdf
- https://cdn-cms.f-static.net/uploads/4369149/normal_5f89660fcb5a5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/livivuvuwugeb/jn0-102_questions_and_answers.pdf
- https://s3.amazonaws.com/tinezedu/76004627132.pdf
- https://s3.amazonaws.com/viboxikuz/tawitolad.pdf
- https://static1.squarespace.com/static/5fc0672f60f2895dc1e54ab2/t/5fc0f0349ee0f32b8774b574/1606479924406/41203985873.pdf
- https://s3.amazonaws.com/sojebelevenex/terusedodotezu.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbd1d4012cb281744314efb/1606229313253/47914570179.pdf
- https://s3.amazonaws.com/ziwuvijevo/sibabibobegogusuroda.pdf
- https://s3.amazonaws.com/risalenefazozo/fresh_lasagna_pasta_sheets.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_off0000cd80.bin5e85261aa065914db97c4a9053cad0c737d5639a55eabd8de558419dc72f5ea5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD80 | 5316 bytes |
font_01_sfnt_off0000df9d.bind06077952150f66ec368b57ab158c53d2758d8227a3396183ef662c295e0c5bb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF9D | 10692 bytes |
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