MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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=black+devil+cigarettes+where+to+buy PDF link annotation
- https://worobewunit.weebly.com/uploads/1/3/1/4/131406731/sanosilipij.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366010/normal_5f8718dfc7d25.pdfIn PDF document text
- https://fetuxugov.weebly.com/uploads/1/3/4/6/134655394/8a5b203.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4463792/normal_5fbc56869f947.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369162/normal_5f8a6a733c66a.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/de2b1bad-a7ea-4273-a481-61ea0def7c36/rutuxojivisaxugodemo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/74e94883-a9b5-4b0c-8af3-ec66daf639f1/25990203170.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2c5fdbc6-6cc1-46e5-ab3e-738131b2e136/500_brand_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/22717d30-8dd3-4706-9d93-dd09fb43528f/vabowodolibivaresuxuzixi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0857f697-d619-48e2-964e-3a0d56f42689/vixidafog.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c8f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8F4 | 5708 bytes |
SHA-256: 5495ffd130347c3680f104cd430549a4796a5e83fb53848a3a13ae478bac059d |
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font_01_sfnt_off0000dc7d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC7D | 11240 bytes |
SHA-256: be5b59a4c7e23ed59a87eab879cb2a51f21474e61d6e784413f5df53d1b95583 |
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