MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also contains numerous external URIs, many of which are flagged as unknown or part of a link farm, suggesting an attempt to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://pcccmiennam.com/media/ftp/file/4693629416.pdf In PDF document text
- http://beautifulmoda.com/userfiles/files/bidalex.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/68c1bcf32e5918ded2f721256bfb8613/67406984465.pdfIn PDF document text
- https://k-newsletter.com/ckupload/files/salanalubofejete.pdfIn PDF document text
- http://jjburgerut.com/uploads/files/nefupizulusoseg.pdfIn PDF document text
- https://vidaleve.net/ckfinder/userfiles/files/86490784087.pdfIn PDF document text
- http://resortcrimea.com/ckfinder/userfiles/files/51512048387.pdfIn PDF document text
- https://davnosti.ru/upload/fosugafunabebigofiwij.pdfIn PDF document text
- http://gamecoast.by/uploads/files/bereto.pdfIn PDF document text
- http://abpjseah.news-read.com/upload/files/zopajomisafalirolefe.pdfIn PDF document text
- https://fejlesztes.codefon.hu/js/ckfinder/userfiles/files/73314870090.pdfIn PDF document text
- http://xn--80aa5alfu.kz/file/kinid.pdfIn PDF document text
- http://www.themixchange.com/userfiles/files/jobuxeke.pdfIn PDF document text
- http://araulmor.tel-cor.com/images/library/file/vepiruzonukixepuzopama.pdfIn PDF document text
- http://www.propper-droppers.nl/files/file/bolokozizujesokawudikete.pdfIn PDF document text
- http://rowadhr.com/app/webroot/upload/files/57936083904.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614344dc091ec---27581534701.pdfIn PDF document text
- http://emrc.ie/upload/imagecontent/file/xufivilevusivirapukabu.pdfIn PDF document text
- http://ideal-site.ru/userfiles/file/83762137071.pdfIn PDF document text
- https://kiemtoandongnghi.com/public/plugins/ckfinder/userfiles/files/lapolawufasaduzegupu.pdfIn PDF document text
- https://client-sms.com/ckfinder/userfiles/files/93758407411.pdfIn PDF document text
- https://hyper.vessty.com/_img/files/natifi.pdfIn PDF document text
- http://imobiliariaimperio.com/files/files/tovolezexabevasobilug.pdfIn PDF document text
- http://uhy-th.com/image/upload/files/gipapituganazamuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=lucy+thomas+manningPDF 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_off0000c225.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC225 | 20396 bytes |
SHA-256: 8412e508bd1cb1cbbb5b0b1a08e5c84c7bb988123df0ef97a5d84f2741294749 |
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font_01_sfnt_off0000f79f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010fb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FB6 | 10568 bytes |
SHA-256: 36b31b9d8f7b13af7de71eacffca3663636a7e3258ba4933e772b0ff2a4a1c5d |
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