MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable hosting, indicating a link farm designed to redirect users to potentially harmful content. The PDF structure and embedded URIs suggest an attempt to disguise malicious links within a seemingly innocuous document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9954
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 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://synerhu.ru/uplcv?utm_term=how+to+be+single+free+movie PDF link annotation
- http://mrpennarak.com/user_file/file/81068772204.pdfIn PDF document text
- http://aspit.ro/imagini_ws/sozilumaregifanusisopu.pdfIn PDF document text
- http://n-production.com/upload/fckeditor/file/kowoverexebomog.pdfIn PDF document text
- https://alshuka.ps/ckfinder/userfiles/files/suzufixanaperegekakixa.pdfIn PDF document text
- http://ccspatti.org/userfiles/file/vawukigenolakok.pdfIn PDF document text
- http://polletnv.be/uploads/files/23366505423.pdfIn PDF document text
- http://pevak.info/UserFiles/File/dajisivipilav.pdfIn PDF document text
- http://scantech3d.com/files/papirugaru.pdfIn PDF document text
- http://gma.ge/admin/ckeditor/ckfinder/userfiles/files/pufakefaxunukukuri.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/32213535310.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/502755bb0cfaa49610c413456387351d/fovipidipewedupozujeb.pdfIn PDF document text
- http://inteko-tula.ru/f/file/82318067876.pdfIn PDF document text
- https://webmedcentralplus.com/userfiles/file/bajojokowirisa.pdfIn PDF document text
- https://uleiuri.ro/userfiles/file/xudekisonub.pdfIn PDF document text
- http://xn--o79av69abka850ab6c.com/upload/file/202109091402131827.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///pexetomizupusini.pdfIn PDF document text
- http://youngthisyear.com/ckfinder/userfiles/files/xirebivugepanuwavulov.pdfIn PDF document text
- https://sofahatinh.com/upload/files/37455735529.pdfIn PDF document text
- http://coomargroup.com/ckfinder/userfiles/files/40619091210.pdfIn PDF document text
- https://sasalidayanisma.org/uploads/file/bebezukawanerajikitosi.pdfIn PDF document text
- http://amy-tsai.com/images_express/userfiles/files/47552972656.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109210724563982.pdfIn PDF document text
- http://www.accl-calibration.com/login/ckfinder/userfiles/files/bopapibizitaror.pdfIn PDF document text
- http://amghanoi.com/images/ckeditor/files/58972171361.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000af99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF99 | 10676 bytes |
SHA-256: 4f7c74f33e50d9afdd7dc86250e12b3dfacc3b0d270903b06c9ed4e11bf71905 |
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font_01_sfnt_off0000c814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC814 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e026.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE026 | 16144 bytes |
SHA-256: 53d04196c7b7b424b356d4125695949039267cdcbbd5967d78c432cdc649b9fb |
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