MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to PDF files on potentially disposable domains, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination or distribute content across many low-reputation sites. While no scripts were explicitly extracted, the nature of the embedded URLs and the detection suggests it's likely a phishing lure or a downloader for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://tese.in/ckfinder/userfiles/files/newidilapok.pdf In PDF document text
- http://mwflower.com/upimagesfile///zowobefefevov.pdfIn PDF document text
- https://showdetango.com/bafa/userfiles/file/41313516359.pdfIn PDF document text
- https://vinocastillo.hu/editor_up/wizev.pdfIn PDF document text
- http://kanizsakran.hu/userfiles/file/22171373792.pdfIn PDF document text
- http://codemessaging.net/ckfinder/userfiles/files/varufomabi.pdfIn PDF document text
- https://parlagame.net/calisma2/files/uploads/wefipifatuvezisobazi.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16130f6d6eda1a---85776956597.pdfIn PDF document text
- http://feldbach-tourismus.at/files/69285748593.pdfIn PDF document text
- http://happinessgown.com/upload/users/files/95279094961.pdfIn PDF document text
- http://sanchariglobal.com/userfiles/file/xowapabumulosin.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a5ad672a2---80667320261.pdfIn PDF document text
- http://andlupa.com/userfiles/file/fanomodobavaxarisegazeti.pdfIn PDF document text
- http://maslatalaia.com/userfiles/file/87993610749.pdfIn PDF document text
- https://mi-stores.com/basketballtotaal/images/editor/file/40200992351.pdfIn PDF document text
- https://picinterior.com/ckfinder/userfiles/files/49589047016.pdfIn PDF document text
- http://waycreon.net/bhaskar/yii/upload/files/13011569240.pdfIn PDF document text
- http://boras-sjuharad.boj.se/uploads/userfiles/files/75817016171.pdfIn PDF document text
- http://spartaksedlec.cz/spartaksedlec/userfiles/file/68558146920.pdfIn PDF document text
- http://tvkinter.com/file_media/file_image/file/tofipevetiru.pdfIn PDF document text
- https://jimsdelibrookhaven.com/demo/jimsdeli/admin/userfilesfile/xafixo.pdfIn PDF document text
- https://remont-bez-zabot.ru/files/file/wotijerelirabe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=a+walk+to+remember+123moviesPDF 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_off0000f35c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF35C | 19224 bytes |
SHA-256: c5aa611dc84391b80b0a907ad20a771fa2365c08592b28f9b0d234365efd8d70 |
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font_01_sfnt_off000125b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125B0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013dc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13DC7 | 10872 bytes |
SHA-256: 771e5748b10e5f1635a059a98aca52c7a9048ae4a52ab8ee03b7c1870805ca07 |
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