MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded URLs, with a significant portion identified as a link farm hosted on disposable domains. The primary malicious URL, 'https://seumenha.ru/award?keyword=novas+cr%25C3%25B3nicas+da+boca+do+inferno+pdf', is likely used to redirect users to a phishing or malware distribution site. The ClamAV detection and ML classifier further support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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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://seumenha.ru/award?keyword=novas+cr%25C3%25B3nicas+da+boca+do+inferno+pdf PDF link annotation
- https://norofuzalugegok.weebly.com/uploads/1/3/4/8/134882219/futozavafeto_bubas_buzewogem.pdfIn PDF document text
- http://vobarijijagurar.22web.org/25978368699.pdfIn PDF document text
- https://luvatuxi.weebly.com/uploads/1/3/4/3/134321506/1876393.pdfIn PDF document text
- https://bawimivumo.weebly.com/uploads/1/3/4/6/134609907/nilinoz.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e082cb0d-9c22-4a21-acb7-e2c6127a51d3.filesusr.com/ugd/ff0c06_571fffcef94c4240a8873ef0200af55c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/pujinit/usda_aphis_vs_form_7001.pdfIn PDF document text
- https://a79fbd7c-12a6-44fe-9d3c-43dc2b0795a8.filesusr.com/ugd/f95141_61c4d61520bc49e38e2733f62adb5556.pdf?index=trueIn PDF document text
- https://058da8ce-bb30-4b8c-81eb-8903018cac65.filesusr.com/ugd/ab745b_9168178525c44deda87f4fd55dd1dabd.pdf?index=trueIn PDF document text
- https://7f06b679-e14d-4525-8955-d56a7cf6f710.filesusr.com/ugd/79e5df_d15522ba99954ffc9b16ed97582606e5.pdf?index=trueIn PDF document text
- http://movafomuwexowix.epizy.com/radorunakusenuw.pdfIn PDF document text
- https://bbf05351-1c49-455c-8ea8-df349977a4d5.filesusr.com/ugd/15c6d6_24b399432c8a46a59323f56eadb1bfa1.pdf?index=trueIn PDF document text
- https://92fed17e-af34-466b-b3fe-38cd9ef27699.filesusr.com/ugd/192d58_abe39e30a0804cfd90b244e090b315ab.pdf?index=trueIn PDF document text
- https://5a8aee2d-3d68-4c09-98ed-743c9c56d6fd.filesusr.com/ugd/460efe_ba006904bab64b60a8f14d68360399a0.pdf?index=trueIn PDF document text
- https://7f1d4f38-7308-4051-b389-b8ed31312188.filesusr.com/ugd/e948c1_ec9e896a4e7f47d9bf881ac9b44fda4d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/nitatotol/4212796334.pdfIn PDF document text
- https://s3.amazonaws.com/kotenu/asbestos_roof_sheet_cleaning.pdfIn PDF document text
- https://s3.amazonaws.com/dugibabafod/powatunupaze.pdfIn PDF document text
- https://c5e26362-acc3-4c40-9db4-ce0cbd355080.filesusr.com/ugd/681527_0e73605f363e4ee7bb4de0811c2d22c3.pdf?index=trueIn PDF document text
- http://notofebawomul.rf.gd/pibexorezowukusobupixex.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_off0000ef92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF92 | 5424 bytes |
SHA-256: 2b5c3b8fac78e5259c8d6eaa5e366cdb0630e53a3039bb03765389cda2b5f77a |
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font_01_sfnt_off000101d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D7 | 13688 bytes |
SHA-256: 4c1042d6c6b77b75e9e0a6d474d522b9e7633d989e98930d8fcc399b0f55dd3e |
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