MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs, many of which point to disposable hosting and are structured as link farms, suggesting a phishing or malware distribution scheme. The presence of multiple external URIs and the link farm heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9848
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://medvor.ru/uplcv?utm_term=mxq+pro+firmware+sd+card PDF link annotation
- http://oresteruggiero.com/userfiles/files/mepuwafi.pdfIn PDF document text
- https://mangalargalux.com.br/ckfinder/userfiles/files/37045074174.pdfIn PDF document text
- https://menu2uplus.com/images/file/97528532139.pdfIn PDF document text
- https://happy-playground.gr/uploads/_uploads/files/95976897028.pdfIn PDF document text
- https://bedandbreakfastchia.it/userfiles/file/wuloka.pdfIn PDF document text
- http://ruihuitax.com/files/file/tuvimevarewezaxevaxo.pdfIn PDF document text
- http://cserepakciok.hu/xdata/file/32913569040.pdfIn PDF document text
- https://skykharchono.mn/editor/files/zadefajipizunuvosaveku.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142192db17c3---88215899941.pdfIn PDF document text
- https://ltssinternational.com/res/wysiwyg/file/nitapetedewawagatipukuj.pdfIn PDF document text
- http://moscowprice.com/content/xuploadimages/file/4905512255.pdfIn PDF document text
- http://masterkontroll.hu/ckfinder/userfiles/files/finijarabugusarafepu.pdfIn PDF document text
- https://www.e-oswiata.olesnica.pl/ckfinder/userfiles/files/67822365684.pdfIn PDF document text
- https://manajrgvaaradhi.com/cms-uploads/files/suzuxogupan.pdfIn PDF document text
- http://stroyvodservice.ru/upload/File/gataxegorivumupapokidab.pdfIn PDF document text
- https://total-sport.pl/img/upload/files/97561164791.pdfIn PDF document text
- https://drjou-vc.com/upload/files/7465015693.pdfIn PDF document text
- http://www.valathors.com/ckfinder/userfiles/files/5409330796.pdfIn PDF document text
- https://jiu-hang.com/upfiles/editor/files/31116103487.pdfIn PDF document text
- http://e-hematologica.com/users/file/4046929073.pdfIn PDF document text
- http://sllight.ru/design/img/upload/file/lisisofirax.pdfIn PDF document text
- https://jaurrieta.net/USERFILES_JAURRIETA/files/patebutis.pdfIn PDF document text
- http://danies.ru/ckfinder/userfiles/files/jajola.pdfIn PDF document text
- http://tofuyatogo.com/uploads/files/62682838783.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130df44cf811---90096354726.pdfIn PDF document text
- http://sweatrinserepeat.com/ckfinder/userfiles/files/7463130630.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_off0000e7c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C8 | 10860 bytes |
SHA-256: 39964fc93fa32463b557441400ce484c1059d13f751c8f33d8ad96115f8d9d8f |
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font_01_sfnt_off000100bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D1 | 20204 bytes |
SHA-256: a1587eeb8dd3bac0519e3d95f69419e8a44584594211337b7851c1fd33e9c0d7 |
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