MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL pointing to 'trafffi.ru', which is likely used to redirect the user to a malicious site. The document body, though heavily obfuscated, contains references to '4k video songs free' and the authoring application 'wkhtmltopdf', suggesting a lure for free content to mask malicious intent.
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://trafffi.ru/aws?utm_term=4k+video+songs+free PDF link annotation
- https://cdn-cms.f-static.net/uploads/4486034/normal_5fbc7c1ad9ef0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384029/normal_5fd7262c239e7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383702/normal_5fe3a18f098df.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450864/normal_5fa62c15530b4.pdfIn PDF document text
- https://site-1171534.mozfiles.com/files/1171534/ranavigegaravevajovus.pdfIn PDF document text
- https://site-1173209.mozfiles.com/files/1173209/41899636791.pdfIn PDF document text
- https://site-1244830.mozfiles.com/files/1244830/xitagerakuforanin.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408333/normal_5ff3727f882e0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497095/normal_5faffaf80b532.pdfIn PDF document text
- https://site-1207127.mozfiles.com/files/1207127/13100489675.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4416929/normal_5fc649c6185f4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374983/normal_5f8fb5c12fb45.pdfIn PDF document text
- https://site-1223236.mozfiles.com/files/1223236/star_wars_battlefront_2_pc_2017.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e628.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE628 | 4948 bytes |
SHA-256: f4c96bae4d807934e1332a63fcd7d8304b47440a64d279ecca2cce22164e1eba |
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font_01_sfnt_off0000f722.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF722 | 10844 bytes |
SHA-256: fb435ed9683e0b9677de2aaac3063089cc6c2f7e85faefc0c30388e4826f0ab5 |
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