MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. It also features numerous external links, many of which are hosted on potentially disposable domains, suggesting a link farm or redirection mechanism. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://www.singchai.co.th/ckfinder/userfiles/files/18453558310.pdf In PDF document text
- https://autonoleggioassereto.com/file/sagijezoritinutefubipasa.pdfIn PDF document text
- http://xmst.com.vn/app/webroot/uploads/files/37711621774.pdfIn PDF document text
- http://videocycling.info/files/file/gijozon.pdfIn PDF document text
- https://nhahangphongcanh.com/uploads/files/23741986389.pdfIn PDF document text
- http://plkorea77.com/ckupload/files/laronekarinowevusoburu.pdfIn PDF document text
- https://clubberia.com/js/ckfinder/userfiles/files/4006578986.pdfIn PDF document text
- https://bdata.vn/upload/files/97483785405.pdfIn PDF document text
- https://retake.dk/ckfinder/userfiles/files/riridorikawu.pdfIn PDF document text
- https://www.wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/96425378474.pdfIn PDF document text
- http://casms.org/atts/news-files/file/97235284941.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612ecf30a56a9---kifefesexig.pdfIn PDF document text
- http://indianspringhomes.com/userfiles/files/92020330914.pdfIn PDF document text
- https://takitech.hu/userfiles/file/2192360704.pdfIn PDF document text
- https://emilline.dk/ckfinder/userfiles/files/gimomilapimojamufarefix.pdfIn PDF document text
- http://redondoclassicburger.com/uploads/files/dedixizugekarotofufad.pdfIn PDF document text
- http://lsmtrontractor.com/upfiles/file/20210907232531.pdfIn PDF document text
- http://93564497.com/userfiles/ragelawovufamotatef.pdfIn PDF document text
- https://rosycaffe.com/file/11892122712.pdfIn PDF document text
- http://langyupharm.com/upload/files/zoradivinigorikalidafa.pdfIn PDF document text
- http://npk-bypassdrr2.com/file_media/file_image/file/mupepotolijovabiz.pdfIn PDF document text
- http://myconnect-thailand.com/image/upload/File/gorunivipub.pdfIn PDF document text
- http://cke.hk/userfiles/letesorirom.pdfIn PDF document text
- http://easyliveconstruction.com/ci/userfiles/files/21181299894.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613378b294774---8355266531.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=i+want+to+play+cool+mathPDF link annotation
- 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_off0000e181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE181 | 10300 bytes |
SHA-256: 2106d12ae76bc5f6234afe812a8051d3e12597b6476a8d8071027df1cd3ebeb0 |
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font_01_sfnt_off0000f899.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF899 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110AB | 17584 bytes |
SHA-256: 67f9e93112f8e240a26c3dfda6d01d0a997e6462c54498b74d84d60b2d36ff07 |
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