MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for executing malicious code. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a high number of external links, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature, likely as a phishing or trojan delivery mechanism.
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 https://dcoderesearch.com/uploads/81192769496.pdf In PDF document text
- http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/161407e2e81331---juzevabebavobelo.pdfIn PDF document text
- https://nationalshield-uae.com/userfiles/files/zokuzuvanexobinavu.pdfIn PDF document text
- http://eko-baby.ru/userfiles/file/50447729098.pdfIn PDF document text
- http://speckrepeg.by/UserFiles/files/67113494560.pdfIn PDF document text
- https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/80716412867.pdfIn PDF document text
- https://vietnaminsight.biz/ckfinder/userfiles/files/wagegetoxovuwok.pdfIn PDF document text
- http://gongin.humenia.com/upload/userfiles/2021/09/files/210916150159.pdfIn PDF document text
- https://vongtaytramhuong.vn/upload/files/44741558357.pdfIn PDF document text
- https://piataafacerilor.ro/app/webroot/files/userfiles/files/sapixaxetelazamurora.pdfIn PDF document text
- http://suncitygroup.ir/basefile/suncitygroupir/files/sajotikobusaresakogo.pdfIn PDF document text
- https://hilanguage-com-tw.triangle-design.com/files/mepatoga.pdfIn PDF document text
- http://landtop.com/filespath/files/20210918051547.pdfIn PDF document text
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/52b509d9de8de5ad23769f82d1a81a3f/guvasur.pdfIn PDF document text
- https://flour.co.uk/ckfinder/userfiles/files/vetubev.pdfIn PDF document text
- http://fruhmann-elektrotechnik.at/moretuvapibutozubaliga.pdfIn PDF document text
- https://seedcambodia.org/htdocs/cljr/data/files/68570347121.pdfIn PDF document text
- http://veewood.com/file_media/file_image/file/14754155820.pdfIn PDF document text
- http://hysansam.com/fckeditor/userfiles/image/xokawepagulemezuxoxi.pdfIn PDF document text
- http://santeh.md/img/files/fuzakivulafetetavopox.pdfIn PDF document text
- http://meyanko.com/userfiles/file///16072449811.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/delekamaza.pdfIn PDF document text
- https://morethancars.eu/uploads/edytor/file/60612577344.pdfIn PDF document text
- http://cgl.lu/userfiles/files/30121324795.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=bloons+monkey+city+mod+apkPDF 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_off0000d62f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD62F | 10832 bytes |
SHA-256: 548ad465357b07bff8505aec7849e47c14c695ee792f93ece202df0ae7bb836d |
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font_01_sfnt_off0000ef3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF3E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010750.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10750 | 18376 bytes |
SHA-256: dd1dd5d5efaedeea60f49ff0933affd99728ee9f96354db884e08139587cf294 |
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