MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, with one heuristic specifically identifying a 'PDF_SEO_LINK_FARM' pattern. The ML classifier and ClamAV detection strongly indicate maliciousness. The primary malicious URL identified is 'https://soxebez.ru/123?utm_term=file+pdf+b%25E1%25BB%258B+kh%25C3%25B3a+kh%25C3%25B4ng+in+%25C4%2591%25C6%25B0%25E1%25BB%25A3c', which is likely used to redirect users to a phishing or malware site. Although no scripts were explicitly extracted, the PDF structure and link farm suggest an attempt to exploit users via malicious links, aligning with spearphishing tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 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://soxebez.ru/123?utm_term=file+pdf+b%25E1%25BB%258B+kh%25C3%25B3a+kh%25C3%25B4ng+in+%25C4%2591%25C6%25B0%25E1%25BB%25A3c PDF link annotation
- https://cdn-cms.f-static.net/uploads/4370746/normal_60698ebbc60f5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489033/normal_6058fd1f011b7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446289/normal_5fd309301e5ab.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476270/normal_601751f19b1a6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454673/normal_6021cbe44a78e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4475997/normal_600714a4bb2ef.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482219/normal_5ffe520f45917.pdfIn PDF document text
- https://panujiwawavila.weebly.com/uploads/1/3/4/4/134457592/4996921.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490274/normal_6050d12ebf0b0.pdfIn PDF document text
- https://bafiredevidif.weebly.com/uploads/1/3/1/3/131384403/a46dcc8a30.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4409826/normal_60023b86a002e.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/1f08e50e-80bb-4e3c-95ab-11001c42f6ff/honeywell_8000_install.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/55ccb5c2-a151-4fce-85f0-dfbe66bad121/laput.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1f5a103-8004-46b2-920c-e40e31f24334/vebomanekovuwabuwaxeze.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/622169ed-3a0e-4222-b587-24a7a7ab2d30/how_to_put_lg_sound_bar_in_pairing_mode.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a878d064-63e4-4c13-b951-faadd0e46c0a/jegadosivefagaja.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/acfa5c1d-51bc-45d8-8144-862225e1c677/neve_1073lb_eq_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1b8e3ad7-bb58-4a64-b1d5-148a747c3f16/49270080928.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/01eb1ab8-7e0e-471e-886d-32a4f989b5df/nukunovopulotuwekumizinox.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7cf69cc4-b212-46dc-bd90-98f43eca31a9/zavitaf.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/23a0003b-c479-4396-9037-721bf2dea027/how_to_meditate_kriya_yoga.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/86048442-a657-47ce-a4c5-4c11b6a97180/retired_teacher_pay.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/64df2f57-2623-446e-9c4b-054dc309c71f/51513800025.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9689d219-1926-406e-be72-f218dcfa2607/bobudokoxuno.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_off0000e63e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE63E | 6092 bytes |
SHA-256: 6e12e051f970fd8f50a435e169dfb473455df48e6aa3276076cbec967d6ce615 |
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font_01_sfnt_off0000fa20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA20 | 24268 bytes |
SHA-256: 9ae4735d68e1747c719be05d86b52cefb66a3dc49054f127396cddfedd623747 |
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