MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by multiple heuristics, including a critical alert for a malicious redirector link and a high-confidence ML classifier. The embedded URL points to a known malicious domain, indicating a phishing or malware distribution attempt. No scripts were extracted, but the presence of a malicious URL is sufficient evidence of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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://cctraff.ru/123?utm_term=the+handbook+of+discourse+analysis+van+dijk In PDF document text
- https://cdn-cms.f-static.net/uploads/4481539/normal_5fb2746fc935c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420934/normal_5f9cbd8bdc913.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373768/normal_5f9c50c8d283b.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/3912c446-6c41-4894-b090-0f2462595f33/equation_of_axis_of_symmetry_parabola.pdfIn PDF document text
- https://s3.amazonaws.com/gupuso/cask_of_amontillado_activities.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b8e07db3-2ad6-46f8-b315-d78e01dea929/32125756145.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/970f7613-6184-4912-84d3-ccc6e60ccf58/star_wars_the_rise_of_skywalker.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/89d98858-591e-4c91-a71e-2fca38ac87c0/zugibobitumenegigixu.pdfIn PDF document text
- https://s3.amazonaws.com/xonobijikivo/oneplus_3t_android_10_beta.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/093d6ca3-da94-48c6-8b4d-fdcf4242f878/bioquimica_ejemplos_de_aplicacion.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_off0000a9d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA9D7 | 5500 bytes |
SHA-256: 75daf3db53e1abea285b55704c2b1ab049aad4394ebd2f58331ae268d5e50ed6 |
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font_01_sfnt_off0000bc9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC9B | 9420 bytes |
SHA-256: 056483c8465360f010f591c1aeff5540cd83dd695138e432cf9cb276b70a9d7a |
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