MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to domains with suspicious naming conventions or hosting user-uploaded files, suggesting a link farm designed to redirect users to potentially harmful content. The presence of external URIs and the 'link farm' heuristic strongly support a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://wastran.ru/uplcv?utm_term=pangu+frp+bypass PDF link annotation
- https://tedesco.pl/userfiles/file/nutejinigasowenepeker.pdfIn PDF document text
- https://praktijk-fix.nl/userfiles/image/file/muledenititotiwi.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/50545101404.pdfIn PDF document text
- https://reazfarah.com/ckfinder/userfiles/files/wobukopuwavamirajo.pdfIn PDF document text
- http://ruihuitax.com/files/file/419208585.pdfIn PDF document text
- https://cebubigsellers.com/userfiles/file/11884530665.pdfIn PDF document text
- https://berbagiangka.com/contents/files/71534188472.pdfIn PDF document text
- http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zinisado.pdfIn PDF document text
- http://xn--2osv9pt2jfpt.com/uploadfiles/files/somazaluf.pdfIn PDF document text
- http://indemo.pl/Image/files/13829983978.pdfIn PDF document text
- https://vinadesigndanang.vn/uploads/image/files/lojiduvukuxuguvamef.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/e1ce3adcf2cb76b908d2ecd2ff83a626/vobowowabex.pdfIn PDF document text
- http://korealabels.com/ckfinder/userfiles/files/39212046283.pdfIn PDF document text
- http://jyjwqj.com/uploadfile/file///2021091200524459.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/61876117932.pdfIn PDF document text
- http://compufoxmail.com/FCKeditor/editor/filemanager/connectors/userfiles/file/raxosidatiruxuvun.pdfIn PDF document text
- http://kustari.net/userfiles/file/95499001169.pdfIn PDF document text
- https://sdhouse.info/ckfinder/userfiles/files/26024983565.pdfIn PDF document text
- http://ingegnasrl.com/userfiles/files/gesopenigig.pdfIn PDF document text
- http://studiomarcheluzzo.it/userfiles/files/gubonekuwujojexeronig.pdfIn PDF document text
- http://falcon.dk/sites/default/files/webfm/47111557438.pdfIn PDF document text
- http://neoneofitou.com/ckfinder/userfiles/files/56974999712.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161306c1898a13---88341994247.pdfIn PDF document text
- http://travellerisland.com/files/tewujexobuduteza.pdfIn PDF document text
- http://ncdesign.it/userfiles/files/romusexifixatogekodewo.pdfIn PDF document text
- https://cooperspick.com/files/vosulu.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_off0000bf32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF32 | 16176 bytes |
SHA-256: 13e42695aa68eab85717fdcc9b5f9b6cfce24364b167da65cff90799fb82f7f8 |
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font_01_sfnt_off0000e88d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE88D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000100a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A4 | 10400 bytes |
SHA-256: daa0fd1ce7a8798f0d42cd452ffe4b7ef8786d79b1ade7a390b20b2125ff03bd |
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