MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF document detected as malicious by ClamAV and an ML classifier. It contains an embedded URL pointing to a suspicious domain, and heuristics indicate it's part of a link farm designed to redirect users. The document body, though heavily obfuscated, suggests a lure related to a 'bonafide student certificate'. No scripts were extracted, but the presence of external links and the malicious classification strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://resalured.ru/award?keyword=bonafide+student+certificate+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4424672/normal_60466ab15655f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451744/normal_5fd78e0fb9f00.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446770/normal_5fccb751cdb42.pdfIn PDF document text
- https://cdn.sqhk.co/lapitobexeva/jhhj5rP/fibux.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4428341/normal_60349a9ccbe46.pdfIn PDF document text
- https://cdn.sqhk.co/molodomo/dmBmpBW/cute_among_us_live_wallpaper.pdfIn PDF document text
- https://cdn.sqhk.co/sevijeruba/es2pjok/64832883862.pdfIn PDF document text
- https://lewixixidofuj.weebly.com/uploads/1/3/4/3/134393564/vubesegofolofiw_vawagoxab_pugexuba_vomerexagufogo.pdfIn PDF document text
- https://dakufosaxem.weebly.com/uploads/1/3/4/7/134771611/b83849371f5866.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://fedorahosted.org/lohitIn PDF document text
- http://tomosuromiv.epizy.com/36106997053.pdfIn PDF document text
- https://246406bc-bb0d-4f29-baed-d8a6153a9543.filesusr.com/ugd/3ddeef_d101a1103bd446fbbba791e6b642a225.pdf?index=trueIn PDF document text
- http://dafifaxotodaraw.epizy.com/43281655719.pdfIn PDF document text
- https://8d67285a-e3c5-4820-bb1a-bb91ce1079a6.filesusr.com/ugd/d54300_8d3a580b08da46739302e334f6288ed2.pdf?index=trueIn PDF document text
- http://gituloropo.rf.gd/vosawumibixilis.pdfIn PDF document text
- https://cb70cc59-2297-49c3-b7e2-2ac7e26e28d4.filesusr.com/ugd/4479ed_9137a4c7775442e2b8c156ff0e8eba1b.pdf?index=trueIn PDF document text
- http://lugaderova.epizy.com/sas_urban_survival_guide_apk.pdfIn PDF document text
- https://153f2bed-3501-4ec5-9468-ed1987511f6d.filesusr.com/ugd/f67134_50e5e1eab0a141f1aaba5e2c1bbd540e.pdf?index=trueIn PDF document text
- http://xakitidopapav.epizy.com/excel_sheet_separator_free.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010718.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10718 | 5164 bytes |
SHA-256: 54739e7877065ca2f5e5d1ff1ad9d5f26b58271d932da3d1176206595c2c9f32 |
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font_01_sfnt_off000118c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118C2 | 12000 bytes |
SHA-256: 52490ca9b86dd1a47c45188baac46f3d915aa8b676c2045964ca408c64f22286 |
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font_02_sfnt_off000141bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141BF | 2808 bytes |
SHA-256: 2573663731bd43408ba2f021839d35c95f105c70180fb649f07e447f7f39196e |
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