MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating the presence of an external URI. The embedded URL, 'https://kuzutuzo.ru/strik?utm_term=fundamentals+of+heat+and+mass+transfer+8th+edition+solution+manual', suggests a phishing lure related to academic materials. Although no scripts were explicitly extracted, the PDF structure and the nature of the URL point towards a social engineering attack, likely to lead to further compromise.
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://kuzutuzo.ru/strik?utm_term=fundamentals+of+heat+and+mass+transfer+8th+edition+solution+manual
- https://static.s123-cdn-static.com/uploads/4374986/normal_6005065e76439.pdf
- https://lurukise.weebly.com/uploads/1/3/4/4/134454795/386fef89.pdf
- https://static.s123-cdn-static.com/uploads/4467298/normal_5ff3690d0171b.pdf
- https://vojonabof.weebly.com/uploads/1/3/1/3/131383251/fb250.pdf
- https://cdn-cms.f-static.net/uploads/4420037/normal_600e65e71e525.pdf
- https://pemejugaxopuled.weebly.com/uploads/1/3/4/7/134749032/3920347.pdf
- https://static.s123-cdn-static.com/uploads/4414489/normal_5fddc31c4db56.pdf
- https://cdn-cms.f-static.net/uploads/4505363/normal_604cfc2c9405c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/zetituri/71316856280.pdf
- https://uploads.strikinglycdn.com/files/3c5b3346-c27f-47dc-b6e0-773029ae1041/how_to_use_graco_high_back_booster.pdf
- https://s3.amazonaws.com/vonusirukete/nakizax.pdf
- https://uploads.strikinglycdn.com/files/4fd6fbea-0d71-4b14-af03-3319a153fc2d/kamokedezupupuzuwo.pdf
- https://uploads.strikinglycdn.com/files/6d4da938-6e80-4c81-9dd2-a2b029e17e68/how_much_is_a_first_generation_ipod_worth.pdf
- https://s3.amazonaws.com/kefiperizonofu/chaalbaaz_bengali_movie_480p.pdf
- https://uploads.strikinglycdn.com/files/d350fe6b-2037-436b-a45e-fad12d1e754c/58590444718.pdf
- https://uploads.strikinglycdn.com/files/7b1a1911-ad1d-4962-8352-0571e6402ad9/how_many_hours_a_week_do_you_need_to_work_at_starbucks_to_get_benefits.pdf
- https://uploads.strikinglycdn.com/files/f76b3068-fa97-45e6-b8f0-052e3794c6df/science_process_skills_worksheets_grade_7.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_off0000d638.bin6df3a5160cec845e3146f06491f426c8d6e8121005677515ffbaecd686d76664 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD638 | 5296 bytes |
font_01_sfnt_off0000e811.bin1c3f10cb5b38bd11df6d0259a919b078d36ef256a00d64104b78f804840ded45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE811 | 10936 bytes |
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