MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. An external URI, https://crysiq.ru/square?utm_term=storm+shield+one+pve, was extracted, indicating a likely attempt to redirect the user to a malicious site. The document body was unreadable, but the presence of embedded URLs and the high risk score strongly suggest a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://crysiq.ru/square?utm_term=storm+shield+one+pve
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60e8175897884458c9a40295/1625823064829/english_for_business_and_economics_students_book.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60ec8a52700aa07a7895914c/1626114642235/jee_main_exam_papers.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ec78eec8b0d544b6d690d6/1626110190689/natigenireduzetapu.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60e882f003a9584eb9b28893/1625850608818/33327908710.pdf
- https://static1.squarespace.com/static/60aac4dd19f082755c4e5c69/t/60edd622ac614e13d12eee5f/1626199587018/zorux.pdf
- https://static1.squarespace.com/static/60bf6c89a2b0b938881bcf91/t/60ec90a1def1ca41d5fa2144/1626116257678/level_1_answers_to_logo_quiz.pdf
- https://static1.squarespace.com/static/60aac59fb7e9621e2f466549/t/60e9391ce51f1f218d6acb28/1625897244904/domain_group_policy_editor_server_2016.pdf
- https://static1.squarespace.com/static/60bf69b23f3791685666e32d/t/60ed19c6c2ef2d11c8d29b5d/1626151366210/meaning_of_confused_in_english.pdf
- https://static1.squarespace.com/static/60aac5994c6b1805bc4acbdb/t/60ed912cff6d86145ba236d6/1626181932580/class_1a_costumes.pdf
- https://static1.squarespace.com/static/60aac52a97a1d73ddacfe14c/t/60ec7eefc268f363b0864dc2/1626111727435/67908762491.pdf
- https://static1.squarespace.com/static/60bf6bff0d8d387fecc8b153/t/60edc81036d51704235e43c1/1626195984859/psychotherapies_for_depression.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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013de6.bin8357dd3d1f9a3122f076b3da02184629e4f1e3fc1353221d753bb2e60cde32d7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DE6 | 17356 bytes |
font_01_sfnt_off00016b95.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16B95 | 16792 bytes |
font_02_sfnt_off000183ac.bin1c768c0de24b1c0273fba0e8de66b0e524c544fbf1347cb99c0f5695819b0bc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x183AC | 10636 bytes |
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