MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected by multiple heuristics and a machine learning classifier as malicious, with ClamAV specifically identifying it as a phishing trojan. The PDF contains numerous embedded URLs pointing to external sites, suggesting a phishing or redirection scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of malicious intent, likely to lead the user to a compromised or malicious website.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 5
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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 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 http://www.kyousei-fukushi.or.jp/system/ckfinder/userfiles/files/47786838631.pdf In PDF document text
- https://bunianco.com/other_files/File/62064422052.pdfIn PDF document text
- http://vivatbacchus.hu/files/file/3934591293.pdfIn PDF document text
- http://studioiulianella.it/userfiles/files/pegerixodajijudopi.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/54312671000.pdfIn PDF document text
- http://buyyoutubecomments.com/ci/userfiles/files/vovokipogilakapolowixu.pdfIn PDF document text
- https://byocamacho.com/ckfinder/userfiles/files/numudawi.pdfIn PDF document text
- https://www.colline-eternelle.com/ckfinder/userfiles/files/72587839232.pdfIn PDF document text
- http://clubsahdianagalati.ro/upload/editor/file/jegipudulewudixojazogif.pdfIn PDF document text
- http://mikomisushiwc.com/uploads/files/sotekupowiduvutejofesel.pdfIn PDF document text
- http://cka-shiba.com/ckfinder/userfiles/files/74583964139.pdfIn PDF document text
- http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/28291401786.pdfIn PDF document text
- http://chiron-ventures.com/chiron/home/img/upload/files/210924140016637513v26fy.pdfIn PDF document text
- https://cortopolis.ar/userfiles/file/xenasigisadapepivusage.pdfIn PDF document text
- http://taxilitomerice.cz/ckfinder/userfiles/files/36277357437.pdfIn PDF document text
- http://dreamsurgeryen.net/ckupload/files/nubolevufuti.pdfIn PDF document text
- http://yucehukuk.com/resimler/files/roxekokapikuwotegawewomed.pdfIn PDF document text
- https://ivanda-commerce.hr/userfiles/file/98302842651.pdfIn PDF document text
- http://z-sinpro.com/upload/files/deperi.pdfIn PDF document text
- http://tanriovermensucat.com/uploads/genel/files/42633671679.pdfIn PDF document text
- http://jafra-com.at/userfiles/file/vazedotijigudesomovu.pdfIn PDF document text
- http://travellerisland.com/files/nevelajoveniwegom.pdfIn PDF document text
- http://beverly.kopanramen.com/uploads/files/kesugawukawebaviwovij.pdfIn PDF document text
- http://grafitym.kz/files/file/95646284989.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=real+fake+credit+cardPDF link annotation
- 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_off0000b092.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB092 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c8a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8A4 | 16872 bytes |
SHA-256: c2553920261a4a6953bf9043afb9fdee8a95a4394069173f66fab1b0245cb34b |
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font_02_sfnt_off0000f39d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF39D | 10212 bytes |
SHA-256: c2d3c53900db86fc9e4c7be03a90130f5c0d76581084a72288bec92536cb9cd2 |
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