MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF document that contains an embedded URL pointing to a suspicious domain. Heuristics indicate it is a phishing attempt, and ClamAV detection confirms it as malware. The document body, though heavily obfuscated, appears to be a lure related to 'Chinese character writing practice'. No scripts were extracted, but the PDF structure itself likely facilitates the redirection to the malicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://trafftec.ru/strik?utm_term=chinese+character+writing+practice+b PDF link annotation
- https://cdn-cms.f-static.net/uploads/4460058/normal_5fa63690a32b6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447108/normal_5fb4c9b35d27d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420745/normal_5fac06bd4e270.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368731/normal_5f8be5e4979ab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369796/normal_5f95585dcf99a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/1fbc3969-96d3-4e5b-8c81-0585cad7c55f/pcg-61611l_drivers_download.pdfIn PDF document text
- https://s3.amazonaws.com/robumuduluwise/track_and_field_score_sheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0973b450-3b62-4618-a4e6-ae6ec4bf19a3/hibritleme_ve_molekl_geometrisi_ders_notlar.pdfIn PDF document text
- https://s3.amazonaws.com/poresi/chmod_command_linux_make_executable.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e7673a70-6df2-4d64-9bb2-46c23ab984e8/55171431778.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD73 | 23312 bytes |
SHA-256: 9c5cc638f9146cdbc047d37a2958d65a82b5eeb3d0560a95e094057f2d302a00 |
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font_01_sfnt_off00014647.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14647 | 5300 bytes |
SHA-256: 829efd07f23bbe79ef7c8fc624f3d8dfc909873d009382d5ef884948afe6cb50 |
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font_02_sfnt_off00015858.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15858 | 15312 bytes |
SHA-256: f1a81dbeebac7e9b3feee70bf0ba181da202b6c9cfac9893368ceb492b0848ce |
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