MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, suggesting a phishing or malware distribution scheme. The presence of external URIs and the nature of the link farm point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://krisoc.ru/uplcv?utm_term=mha+new+movie+release+date PDF link annotation
- http://zulassungsservice4you.de/bilder/file/71918473880.pdfIn PDF document text
- http://warmistore.com/userfiles/file/77801624750.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d97c3af175---80100651084.pdfIn PDF document text
- http://phuquytravel.com/nguyenvanlinh/files/tabekixodixositesukomot.pdfIn PDF document text
- http://redskap.ru/userfiles/file/3411093151.pdfIn PDF document text
- http://radioevangilereal.com/assets/ckfinder/core/connector/php/uploads/files/27134580919.pdfIn PDF document text
- http://weilandvloeren.nl/fckimages/libuximagekugagut.pdfIn PDF document text
- https://www.eos.org.eg/ckfinder/userfiles/files/menafodiwinivezog.pdfIn PDF document text
- http://hauptlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/majojogotejikutulesam.pdfIn PDF document text
- https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/dulezudevijivupafikobu.pdfIn PDF document text
- https://doktor-ara.com/userfiles/files/vedazibuxomugul.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16140b7f3c6690---16249868782.pdfIn PDF document text
- http://dolphinegypt.net/userfiles/file/wujafigelenezoje.pdfIn PDF document text
- https://kanat.com/upload/ckfinder/files/nudejotinevufal.pdfIn PDF document text
- https://ikorti-iao.com/userfiles/files/lukakajowet.pdfIn PDF document text
- https://propactionvehiclesuk.tv/userfiles/files/4196384634.pdfIn PDF document text
- http://idealhca.com/admin/images/file/68249962917.pdfIn PDF document text
- http://henskeschildersbedrijf.nl/upload/97498991758.pdfIn PDF document text
- http://quangphong.vn/uploads/image/files/wurigexizebaxuredidol.pdfIn PDF document text
- http://benhvienlaptop.biz/userfiles/file/37345622226.pdfIn PDF document text
- http://akcompany.vn/uploads/userfiles/file/mijojofoxinemumin.pdfIn PDF document text
- http://telektrans.hu/editor_up/77648583582.pdfIn PDF document text
- http://dakov.hu/_user/file/6192242588.pdfIn PDF document text
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/xadorogewalidup.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_off0000d965.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD965 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f17c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17C | 10656 bytes |
SHA-256: 6e995557eb4fb94c1a4e88e4f6bdeaaecded4d990ddf11333d5107e3e7f13b5c |
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font_02_sfnt_off000109b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109B5 | 18484 bytes |
SHA-256: dcc947acd0dba131942ac787e202860bdfce123ca45eaf5e17f5a1a2a736ce9b |
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