MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many of which are part of a link farm on disposable hosting, strongly suggests a phishing or malware distribution campaign. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure points to a malicious PDF designed to redirect users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://cructi.ru/uplcv?utm_term=airplay+receiver+for+android+tv PDF link annotation
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d795e38c9---3622134163.pdfIn PDF document text
- https://krainaogrodow.eu/zdjecia/fck/file/xepexizem.pdfIn PDF document text
- http://lohoithaiduong.com/uploads/files/kuburanuf.pdfIn PDF document text
- https://bonvoyageindia.in/ckfinder/userfiles/files/wepebiruvaxuzekatew.pdfIn PDF document text
- http://gewidor-gmbh.de/uploads/files/59867933640.pdfIn PDF document text
- http://lifecare4all.com/upload/files/55895908368.pdfIn PDF document text
- https://interconformity.ro/images/file/53221626004.pdfIn PDF document text
- https://spa-salon.ru/ckfinder/userfiles/files/47316859081.pdfIn PDF document text
- https://creteservices.com/FCKeditor/userimages/file/jiroxejofowarorador.pdfIn PDF document text
- http://bortran.com/upload/image/file/20210912033534.pdfIn PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/2k4ev04o9emqbp2gqhstkmugaa/3232498774.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///vosep.pdfIn PDF document text
- http://anadolumatbaa42.com/genelresimler/file/70855457452.pdfIn PDF document text
- https://www.tunnel.de/files/uploaded/file/80794433447.pdfIn PDF document text
- http://tourhong.com/FileData/ckfinder/files/20210917_009FB671EAD1B123.pdfIn PDF document text
- http://mspchicagolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gobemedaguvosazexeluvofeb.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/topubadena.pdfIn PDF document text
- http://nature-revive.org/files/file/96169237200.pdfIn PDF document text
- https://majubesar.com/contents/files/38656674514.pdfIn PDF document text
- http://tieuhocsondong.hoaiduc.edu.vn/ckfinder/userfiles/files/zikikaf.pdfIn PDF document text
- https://ltes2.tw-goods.com/UserFiles/files/witijavexir.pdfIn PDF document text
- http://huichem.com/ckfinder/userfiles/files/99250973009.pdfIn PDF document text
- http://eperon-kochersberg.com/img_db/4478242730.pdfIn PDF document text
- http://prograsifkalip.com/files/9089614295.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_off0000e3c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C7 | 10604 bytes |
SHA-256: 0d0605213eb3d2f31707a9205ff81adcfd36039309c2b2636b3b290262270554 |
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font_01_sfnt_off0000fc26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC26 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011438.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11438 | 18344 bytes |
SHA-256: bc3970ad6a41029011ba7348c0c0191252303a1ce022a01f6614455efbf31779 |
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