MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The 'SE_CLICKFIX' heuristic suggests the document is designed to trick users into executing commands, likely to download and run a secondary payload. Multiple external URLs were found, indicating potential C2 communication or payload hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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=cool+lock+screen+patterns PDF link annotation
- http://www.psyforyou.nl/upload/fckeditor/file/xikamitejekujadetiwigediv.pdfIn PDF document text
- http://shijijiaming.cn/filespath/files/20210912190827.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca6d292c8c---51772042992.pdfIn PDF document text
- http://wsm.hk/images/files/pesitivik.pdfIn PDF document text
- http://studiocommercialedelpiano.it/userfiles/files/31047459295.pdfIn PDF document text
- http://mebco.ru/images/file/mefokufubamiganimikasidaf.pdfIn PDF document text
- https://protum.se/file/67685338233.pdfIn PDF document text
- http://kimandyoo.com/userfiles/file/vugerobatasokemi.pdfIn PDF document text
- http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/59515976217.pdfIn PDF document text
- http://bertrandetgastineaudesigners.com/userfiles/file/mamekusofiwuz.pdfIn PDF document text
- https://kisikana.hr/userfiles/file/kabopofamenarozijan.pdfIn PDF document text
- https://inijariku.com/ckfinder/userfiles/files/81143353488.pdfIn PDF document text
- https://obermeyer-modemarkt.de/upload/file/fibixusasinuwipaxegani.pdfIn PDF document text
- http://uralinteh.com/uploads/files/68896813033.pdfIn PDF document text
- https://www.aledrukujemy.pl/ckfinder/userfiles/files/23997453971.pdfIn PDF document text
- https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/59118596612.pdfIn PDF document text
- http://dlzhrjd.com/images/uploadfile/files/nofusavarivujujovajete.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/4b6bb8f9657801e6f2d5fcc843884295/kimamajikuxigadimuwufer.pdfIn PDF document text
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bidaduperirufefu.pdfIn PDF document text
- https://abbma.in/admin/uploads/file/33081554311.pdfIn PDF document text
- http://cuacuongiare.vn/upload/files/64550714451.pdfIn PDF document text
- https://canoe.ro/Extras/ckfinder/userfiles/files/sisibutogep.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/kopobukekepijikixonuxex.pdfIn PDF document text
- http://stevis.cz/files/file/31397448781.pdfIn PDF document text
- http://viettelhaiphong.me/data/dulieu/files/7307327718.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_off0000d9ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9AC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f1c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1C3 | 10400 bytes |
SHA-256: 156ce5779d4b2e7005d67a8fb36e8aae62a0506367f3d2fc86ddd6f95ae63746 |
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font_02_sfnt_off00010980.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10980 | 17644 bytes |
SHA-256: f17d2dcf363daf792fb597a1b2dbad5566c5092a54cc9b2a323a0718d7ba83cc |
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