MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for exploiting vulnerabilities or delivering malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates the document points to numerous distinct, potentially disposable domains, suggesting a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or a trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://docando.es/js/ckfinder/userfiles/files/doburatadorafosiximi.pdf In PDF document text
- http://studio-castiglioni.com/userfiles/files/fusipuvamoguna.pdfIn PDF document text
- http://khaskhaan.mn/uploads/userfiles/files/60593592238.pdfIn PDF document text
- https://tecnibat.net/uploads/archivos/gavulit.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1613c81d676759---vejomunejazozilu.pdfIn PDF document text
- https://maconlux.lu/userfiles/files/zalagixetorupoduze.pdfIn PDF document text
- http://hodinovysoused.cz/upload/file/jezupuxar.pdfIn PDF document text
- https://vietnam-pump.com/userfiles/file/32356457220.pdfIn PDF document text
- https://nucamsa.es/userfiles/files/gogolafu.pdfIn PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210903084448.pdfIn PDF document text
- http://plantessentialoil.com/upload/files/dajelere.pdfIn PDF document text
- http://cuakeobinhduong.com/upload/files/97261199944.pdfIn PDF document text
- http://www.ernakulamarchdiocese.org/www/js/ckfinder/userfiles/files/13424645976.pdfIn PDF document text
- https://khonggiansachhanoi.vn/uploads/files/49357486082.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/bcc2faa024601d488edb01f4c7f666fd/wanutisi.pdfIn PDF document text
- https://needletherapy.eu/upload/file/84124162118.pdfIn PDF document text
- https://www.chablis-gautherin.com/ckfinder/userfiles/files/punasixivipaso.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/61615188584.pdfIn PDF document text
- http://britishcytology.org.uk/ckfinder/userfiles/files/3652073605.pdfIn PDF document text
- http://dc-3ed4d7413bdb.prshots.de/uploads/userfiles/1630665070/files/kewokonewek.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ccdtsjicfr2hin0ioiepcvar07/86945562860.pdfIn PDF document text
- http://gomientrung.vn/uploads/image/files/51533043096.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=is+it+possible+to+unlock+android+phonesPDF 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_off0000bb25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB25 | 10892 bytes |
SHA-256: a13521efd01c614e2982726a8c0f5565b16d8330d7dcd99323c4d1dc66495ae9 |
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font_01_sfnt_off0000d406.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD406 | 16392 bytes |
SHA-256: fced8c6f95eb7d09e511403a83bc01e6bd9aefb013a61f5ae584a034b874bb34 |
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font_02_sfnt_off0000fe31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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