MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, many of which point to disposable hosting services and are associated with link farms, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the presence of external URIs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' point towards a campaign designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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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://xajibur.ru/strik?utm_term=balancing+equations+worksheet+answers+doc PDF link annotation
- https://mabamakozipapap.weebly.com/uploads/1/3/4/3/134315796/dekol.pdfIn PDF document text
- https://zajebujop.weebly.com/uploads/1/3/4/9/134902249/lizumerise-wetipixeli-xoxup.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419637/normal_602509e4e4c65.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4408993/normal_5fcb4286cd617.pdfIn PDF document text
- https://jomopejizudo.weebly.com/uploads/1/3/4/6/134664487/511b9ad960.pdfIn PDF document text
- https://xiwiriled.weebly.com/uploads/1/3/4/8/134899872/lovovejokodimo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448337/normal_601b6ecb6dc2a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366375/normal_601a50f21905d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450141/normal_602b3aa3bd81c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425915/normal_5ff6d06c43029.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391623/normal_60589fb4be430.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492529/normal_603335dbe95bf.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384821/normal_5feb834096f6f.pdfIn PDF document text
- https://rexuxoxef.weebly.com/uploads/1/3/4/0/134018301/zavixubiwapa.pdfIn PDF document text
- https://gadogirunen.weebly.com/uploads/1/3/5/3/135347667/wibaxiwuz-redivukexevu-kefiraxunoz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379045/normal_5fc8fb06d85b2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4480745/normal_5ffd22f8a938e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4489595/normal_60026d65b3b5a.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/ca0d6318-5fc2-4110-a857-37a8b12b44c2/how_to_read_a_color_wheel_for_fashion.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8ea2bb40-d810-4a8c-9616-9e80119c3d24/fireve.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cde72bbb-2541-45d9-8d3c-fa7c1f2e6e87/pejiwemawidutumogeb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6aa1e13-7fad-4cd1-89ff-1d5fab6e34f8/mcp61pm-hm_drivers_windows_7_download.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_off0000e1c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1C0 | 5532 bytes |
SHA-256: 04d296c31bef70ef4ade3ca4f3dc477ace3bb7a4c64905333ccb01d8236ad9c6 |
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font_01_sfnt_off0000f490.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF490 | 11100 bytes |
SHA-256: a9034eb0f40b057f5ff712cfeda3054af4e3bcb3bf73227f69e77e510fce4328 |
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