MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan-like behavior. It functions as a link farm, directing users to numerous external PDF files hosted on disposable domains, with the primary malicious URL being https://mezovuduw.ru/award?keyword=bruhn+structures+pdf. The document body is heavily obfuscated and appears to contain metadata rather than user-facing content, suggesting its purpose is solely to facilitate the redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://mezovuduw.ru/award?keyword=bruhn+structures+pdf PDF link annotation
- https://liziruji.weebly.com/uploads/1/3/4/3/134380663/vixutijinuribo-tofejenuboj-livunimi.pdfIn PDF document text
- https://luzulobopado.weebly.com/uploads/1/3/2/6/132681737/51e38018d.pdfIn PDF document text
- https://dipabuxirakilat.weebly.com/uploads/1/3/1/0/131071076/3266fcd.pdfIn PDF document text
- https://julavatevimire.weebly.com/uploads/1/3/4/6/134669339/zumuxikijijiwilew.pdfIn PDF document text
- http://alexsaf.ru/formatos_de_solicitud_de_empleo_para_imprimir_gratisahnkw.pdfIn PDF document text
- https://jonewaxuge.weebly.com/uploads/1/3/5/3/135319919/bcd9db.pdfIn PDF document text
- http://jedugefipevama.iblogger.org/77710040650.pdfIn PDF document text
- https://lokeduvedip.weebly.com/uploads/1/3/4/8/134885922/xudixefopafodigen.pdfIn PDF document text
- http://medgaj.com/what_is_media_literacy_and_why_is_it_importantw8fsc.pdfIn PDF document text
- https://jabapimodixo.weebly.com/uploads/1/3/5/3/135314731/1454ecf3.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://e0ff2378-281a-4ea3-95ae-419c526fdc99.filesusr.com/ugd/0baf77_d8a9748b5f3741b5bf5958a6228d2d80.pdf?index=trueIn PDF document text
- https://2863666b-9d79-467d-9aad-9eeb6dafbdf2.filesusr.com/ugd/6ee3eb_30c445e578a44911b73ed95ddbcca866.pdf?index=trueIn PDF document text
- https://46c19374-600d-43be-a5f2-d8bf07c6fddf.filesusr.com/ugd/cc94a4_a11095dde81c4d83964eab4e36ceac11.pdf?index=trueIn PDF document text
- https://14319df0-7947-4f0d-bbb3-eaa17d5eb23e.filesusr.com/ugd/c45f38_0a248556b4e54ed4831956d6b96a564b.pdf?index=trueIn PDF document text
- https://874c0fd6-92eb-497b-905f-dc7ca4d2e287.filesusr.com/ugd/5ca7d4_2e512228139643e28236d3b222676b15.pdf?index=trueIn PDF document text
- http://xodojes.epizy.com/goodbye_yellow_brick_road_flute_sheet_music.pdfIn PDF document text
- https://13fad4bf-7224-44b3-802b-16842e97d241.filesusr.com/ugd/b14664_2cc2a04f5840413b934e090b08328c5d.pdf?index=trueIn PDF document text
- https://64db0a9d-d2b7-4705-beb9-75cca7f1d068.filesusr.com/ugd/4c6241_0bf2c6efa2524fd68abb13a0ef22f033.pdf?index=trueIn PDF document text
- https://9c43cb74-45e3-47de-9527-fda2e8336169.filesusr.com/ugd/af0aa9_24462d2b21bf431c92894a355d98bb88.pdf?index=trueIn 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_off0000db9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB9D | 5048 bytes |
SHA-256: f7bc0a3612b9b292a5bd2fd670af70a33cb6f895d5f5bae14d674c093e416975 |
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font_01_sfnt_off0000eccc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECCC | 10904 bytes |
SHA-256: aa24a49aa3ebbbd61a86dcec01f05b0fd9afab302a388c0dabbff8458bc01971 |
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