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, specifically flagged as a phishing trojan. It contains an embedded URI pointing to 'trafffe.ru', which is a strong indicator of malicious intent. The document body is heavily obfuscated and contains nonsensical text, suggesting an attempt to hide the malicious nature of the file. No scripts were extracted, but the presence of a malicious URL is sufficient to infer a phishing or credential harvesting attempt.
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://trafffe.ru/123?utm_term=ha+ha+tonka+castle+before+fire
- https://cdn-cms.f-static.net/uploads/4377933/normal_5f9534710f714.pdf
- https://cdn-cms.f-static.net/uploads/4412164/normal_5f94319fdbe3b.pdf
- https://cdn-cms.f-static.net/uploads/4393790/normal_5fa10cf42c9f2.pdf
- https://cdn-cms.f-static.net/uploads/4388279/normal_5fd9c4ed1c8e2.pdf
- https://static.s123-cdn-static.com/uploads/4416299/normal_5fc45c599ed3e.pdf
- https://cdn-cms.f-static.net/uploads/4403262/normal_5f958e77305a7.pdf
- https://static.s123-cdn-static.com/uploads/4404524/normal_5fe4201fc80c5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/45c82ea3-a469-4110-8eec-5fb1e3b7ef39/61544971409.pdf
- https://s3.amazonaws.com/henghuili-files2/bawitisigukabunes.pdf
- https://uploads.strikinglycdn.com/files/f63e31f2-429c-4fbd-b17b-3ef2e9e8c8a7/sony_vegas_pro_11_serial_number_no_k.pdf
- https://uploads.strikinglycdn.com/files/6f15f227-0e58-4cba-93dd-81e6e6db47a8/vaxasatefujukikavis.pdf
- https://uploads.strikinglycdn.com/files/5bd48368-325c-4191-935f-5d545367ef5b/nugabamoxi.pdf
- https://s3.amazonaws.com/wujodibu/30384069966.pdf
- https://uploads.strikinglycdn.com/files/36bc0fb5-5b1a-4506-bff2-0574c4b8a5de/48429478483.pdf
- https://uploads.strikinglycdn.com/files/b458ca75-213f-4945-8461-c5962dc7dd85/computer_system_architecture_3rd_edition.pdf
- https://s3.amazonaws.com/pujirageg/7th_grade_math_worksheets_free.pdf
- https://uploads.strikinglycdn.com/files/db9f8726-6e5d-450b-857a-2d6d51b64d7e/durinuvomamifumox.pdf
- https://s3.amazonaws.com/welanisowari/23590401816.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_off00013d8a.bin83087955d316ff5cab486d4cc41ec4f2ff296c2e0cb3fbd389f04c4e8b558bc4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D8A | 5132 bytes |
font_01_sfnt_off00014ef7.bin406ea9ffcfc8df711f74c241451cc06e14b0298216730a6bf4d82cb520254ddb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EF7 | 10564 bytes |
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