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 high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to host a malicious payload or phishing content. The document body, though heavily obfuscated, suggests a lure related to educational worksheets.
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://pelibifir.ru/wix?keyword=length+mass+and+volume+worksheets+for+grade+3
- https://cdn-cms.f-static.net/uploads/4365649/normal_603690172674b.pdf
- http://puwexakibo.iblogger.org/jenobexu.pdf
- http://pro-konditer.com/area_of_irregular_shapes_worksheet_kutad1l30.pdf
- https://cdn-cms.f-static.net/uploads/4369909/normal_6028552002079.pdf
- http://titopemij.22web.org/banijodazobajulozusufe.pdf
- http://energytik.net/wojojijoxidutezx2ems.pdf
- https://static.s123-cdn-static.com/uploads/4471988/normal_5fc70cabdd368.pdf
- https://cdn-cms.f-static.net/uploads/4461505/normal_60109b03c412f.pdf
- http://givavipuj.iblogger.org/94019315541.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://s3.amazonaws.com/pesetufavo/pumewimafowuditevibo.pdf
- https://s3.amazonaws.com/fofeguj/how_to_change_trans_fluid_on_2010_f150.pdf
- https://a8a70d16-e3f0-4805-b115-4d8c62c40b57.filesusr.com/ugd/82e28d_2af435fa194e4912a6de70d57c92cf35.pdf?index=true
- https://s3.amazonaws.com/zarusegibitumet/3249942873.pdf
- https://1b65b899-5fad-42bd-af9e-a3fb1d6a4c80.filesusr.com/ugd/a2ebd8_e9ad7c9608a741a99305d55a4f99c182.pdf?index=true
- http://lukegijabezul.rf.gd/bizesariludetinogifemufo.pdf
- http://segoxegigo.epizy.com/stephen_hawking_quotes_about_science.pdf
- https://da99f664-88c7-4a27-98aa-0bbcec2e8f57.filesusr.com/ugd/66f3f9_30a28511da4a43cbbe257895326b65d2.pdf?index=true
- https://dc58184e-bbba-402a-8e08-a55d552c8f3f.filesusr.com/ugd/0ebc1f_204f636ca53b4fc8bf9af8fd97297e83.pdf?index=true
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c63c.binc4da7d2e033225785cc068ab0ea56370d06552640f38e3af71c383355fa4fc2e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC63C | 5476 bytes |
font_01_sfnt_off0000d8c1.bind3adc62fe90c1c7c493370b28ab9b5230dd176373dd11ed884b856526c589fe6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8C1 | 10312 bytes |
font_02_sfnt_off0000fbdd.bin05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBDD | 4324 bytes |
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