MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF document identified as malicious by ML classifiers and ClamAV. It contains an embedded URI pointing to 'https://seumenha.ru/award?keyword=variable+and+verbal+expressions+worksheet+pdf', suggesting a phishing or malware distribution attempt. The document body is heavily obfuscated, but the presence of the external URI is a strong indicator of malicious intent, likely related to spearphishing.
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/award?keyword=variable+and+verbal+expressions+worksheet+pdf
- https://cdn-cms.f-static.net/uploads/4380078/normal_6048c38b05489.pdf
- https://cdn-cms.f-static.net/uploads/4501029/normal_6058047a40232.pdf
- https://cdn-cms.f-static.net/uploads/4477401/normal_60589188c824f.pdf
- https://cdn-cms.f-static.net/uploads/4449411/normal_604d8d66b5309.pdf
- https://cdn-cms.f-static.net/uploads/4481166/normal_60116ee1ebd94.pdf
- https://static.s123-cdn-static.com/uploads/4450733/normal_5fef88b06abd9.pdf
- https://cdn-cms.f-static.net/uploads/4472491/normal_605f91ca7d30c.pdf
- https://static.s123-cdn-static.com/uploads/4482671/normal_6001c8e9c8c83.pdf
- https://cdn-cms.f-static.net/uploads/4471275/normal_603c00b79091b.pdf
- https://cdn-cms.f-static.net/uploads/4386333/normal_602965c0832f6.pdf
- https://cdn-cms.f-static.net/uploads/4371553/normal_604ded8301e36.pdf
- https://cdn-cms.f-static.net/uploads/4454048/normal_6041b82db9d71.pdf
- https://cdn-cms.f-static.net/uploads/4497093/normal_6050439599935.pdf
- http://gepokupaburorew.mywebcommunity.org/how_to_find_reaction_time_physics.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/a9fd967b-00bb-4539-b644-ff31c6d4d1cc/best_c_language_compiler_for_mac.pdf
- https://uploads.strikinglycdn.com/files/f14dbec2-9835-436f-be9d-67341055c219/78459748613.pdf
- http://jokubamobivavum.onlinewebshop.net/metal_forming_defects.pdf
- https://uploads.strikinglycdn.com/files/a6d852e5-36ed-480c-adc4-8d895a3c8608/fender_passport_conference_pa_speaker_system.pdf
- https://uploads.strikinglycdn.com/files/e7d5d82e-7e6c-4dab-8aa1-47987103f4a0/16360102039.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_off0000c8f7.bin5fbc392f33952f761d7f2f95a37ea0b0804cba22a4c0923ea4f3bd84ad7afbe9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8F7 | 5516 bytes |
font_01_sfnt_off0000dbca.bine0d2df55a3fbf8941af3d6e132ede00d99d0689306ca593836a539c754d29c44 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBCA | 11016 bytes |
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