MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URL pointing to a suspicious domain, likely intended to host a secondary payload or redirect the user to a phishing site. The document body, though heavily obfuscated, suggests a pretext of an official approval letter to encourage user interaction with the malicious link.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://trafftec.ru/strik?utm_term=reasonable+accommodation+approval+letter+to+employee
- https://static.s123-cdn-static.com/uploads/4486552/normal_5fcc1a8e3ec91.pdf
- https://cdn-cms.f-static.net/uploads/4488574/normal_5fb79f233df72.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/pokorevalaxex/45441092162.pdf
- https://uploads.strikinglycdn.com/files/1145b68c-47c1-4fe3-9da8-85b8f8e244f3/latorodoti.pdf
- https://uploads.strikinglycdn.com/files/7acccb7b-800d-4c92-b991-87bb78c48120/35607707494.pdf
- https://static1.squarespace.com/static/5fc58f90b8467722f1f3741f/t/5fcf34b0caa95a391e68d7cb/1607414960963/67072125919.pdf
- https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf5b9b474932ca266e426/1606219199835/kafaxutakenedipabupaj.pdf
- https://s3.amazonaws.com/zerepuzuze/fourier_analysis_and_partial_differential_equations.pdf
- https://s3.amazonaws.com/muxegeza/the_tyrant_falls_in_love_kiss.pdf
- https://s3.amazonaws.com/sojaxub/northridge_elementary_school_nd.pdf
- https://uploads.strikinglycdn.com/files/10653c66-e120-4a39-9104-f097c361733d/whirligig_book.pdf
- https://uploads.strikinglycdn.com/files/b9f2c8e5-3257-4578-9376-c7a33268cd76/gorefelopurov.pdf
- https://static1.squarespace.com/static/5fc2f4402e537a05ef168230/t/5fcceb5e260a660a6bdba610/1607265118987/marvel_comics_creator_net_worth.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_off0000b1f2.bin84fcafa456ef32a7deeb28c1e1352782d00a4e061e8ac46796e429a87f1e7e25 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1F2 | 5528 bytes |
font_01_sfnt_off0000c4b3.bin374243636f54fdd0f7ee54bacebc9af5fca801aa24a6f8b8e843a5599338eb0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4B3 | 9748 bytes |
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