MALICIOUS
246
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a seed-phrase/secret-recovery lure. 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 0.9991
Heuristics 7
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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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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://jumiwimov.ru/strik?utm_term=how+to+get+a+client+authentication+certificate PDF link annotation
- https://cdn-cms.f-static.net/uploads/4457849/normal_6067212ba5f34.pdfIn PDF document text
- https://babipuwoze.weebly.com/uploads/1/3/4/8/134865032/tapoxige_sutosavipulukiw_fomunit_bakapubes.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478923/normal_600dc7a97312c.pdfIn PDF document text
- https://bugedosase.weebly.com/uploads/1/3/2/7/132712019/2935724.pdfIn PDF document text
- https://mezowizutu.weebly.com/uploads/1/3/4/8/134898125/140131.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378831/normal_5fc6fe35e7f5b.pdfIn PDF document text
- https://jonolepazom.weebly.com/uploads/1/3/4/5/134520471/tamenukivozozol.pdfIn PDF document text
- https://faneboluti.weebly.com/uploads/1/3/4/4/134464249/digewevufenurak.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383917/normal_601875ec678b4.pdfIn PDF document text
- https://zinadilijisud.weebly.com/uploads/1/3/4/6/134619113/nibiwenul-pibopilivumodib.pdfIn PDF document text
- https://futemagavixen.weebly.com/uploads/1/3/7/5/137501346/3977141.pdfIn PDF document text
- https://kotimoxita.weebly.com/uploads/1/3/4/8/134878992/3466014.pdfIn PDF document text
- https://rapexinet.weebly.com/uploads/1/3/4/3/134328854/jetudovud-doxuvogus.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458849/normal_606063a1d6ad2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454045/normal_6044dd68edc5f.pdfIn PDF document text
- https://bumilumijoxaxuv.weebly.com/uploads/1/3/4/4/134497753/vodirux-kakovugoru.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4502906/normal_5fe5cf9ad485c.pdfIn PDF document text
- https://zixotojene.weebly.com/uploads/1/3/4/3/134315054/xoligomejefuti-zuzobumupenag-tifelonelopo-kowifetimoga.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478123/normal_6062ebf5433a8.pdfIn PDF document text
- https://bisaderivulele.weebly.com/uploads/1/3/4/7/134744485/763291.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/9b90077d-93d0-45b7-95ac-573e0d305a1f/2108619637.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a4d05e06-5b18-496c-aa85-3814ba77c8c8/the_misfit_of_demon_king_academy_chapter_14_release_date.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/056594a7-26f0-4510-b773-86cee667f1fc/liftmaster_chamberlain_41a5021-1h-315_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a339fd30-7854-43f4-872d-bded54cd8d45/merge_multiple_word_files_into_one.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_off0000e864.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE864 | 5020 bytes |
SHA-256: e9e3eaf8e76014bf624f402ad61f0f0357df82025492c90051703c5bd47f0bc2 |
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font_01_sfnt_off0000f986.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF986 | 11252 bytes |
SHA-256: f3375975e2303b138debc34bad0f5b8158cd684b4b398559bcd4be7b1b5828fa |
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