MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the numerous extracted URLs, many pointing to potentially disposable domains, suggest a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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.logistiekverbeteren.nl/ckfinder/userfiles/files/72944872639.pdf In PDF document text
- http://secureyun.cn/uploadfile/file///2021090907564350.pdfIn PDF document text
- http://fohow77.ru/upload/file/nujitotebetopuz.pdfIn PDF document text
- https://darshanam.com/ckfinder/userfiles/files/dagodikovamudivokamud.pdfIn PDF document text
- http://sahrugs.com/userfiles/file/modekobiw.pdfIn PDF document text
- http://worshipedia.mobi/sites/default/files/file/rasusewuvebodida.pdfIn PDF document text
- http://squash-fitness.cz/userfiles/file/bipiduziboluxu.pdfIn PDF document text
- https://ebmcordelles.progess.com/userfiles/file/89274525580.pdfIn PDF document text
- http://www.ruben.pl/ckfinder/userfiles/files/pitalisuzuteki.pdfIn PDF document text
- http://hcbarrett.com/user_area/file/feporajizoxobepibif.pdfIn PDF document text
- https://chinatupai.com/web/js/ckfinder/userfiles/files/retijadipafaxedirib.pdfIn PDF document text
- http://aotwresort.info/ckfinder/userfiles/files/fokizugonatex.pdfIn PDF document text
- http://rasciindia.com/firetech/ckupload/files/jowemofujemusazosakoro.pdfIn PDF document text
- https://rosedreamholidayhomes.com/ckfinder/userfiles/files/10102308199.pdfIn PDF document text
- http://a-b-i-s.net/layout/bilder/file/19372011202.pdfIn PDF document text
- https://agri-mal.pl/userfiles/file/29922603239.pdfIn PDF document text
- https://art4you.sk/editor_uploads/system/files/1051896758.pdfIn PDF document text
- https://orangcar.com/app/webroot/upload/files/9189374764.pdfIn PDF document text
- http://topnotchimports.com/ckfinder/userfiles/files/90597178935.pdfIn PDF document text
- https://muahohangnhat.com/app/webroot/uploads/files/labarugo.pdfIn PDF document text
- https://www.uflo.edu.ar/ckfinder/archivos/documentos/gujomolixefugefo.pdfIn PDF document text
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/6a88aa7ab266442fe84fd21cff63feba/soguzuwov.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/sijasexeperirarid.pdfIn PDF document text
- http://alpinist.store/sribati/editor/uploadfiles/56156361722.pdfIn PDF document text
- http://gancza.pl/userfiles/file/42304131416.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=savita+bhabhi+application+for+androidPDF 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_off0000b992.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB992 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d1a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1A9 | 10696 bytes |
SHA-256: b0bfb050a67b2f3ce6ec3dfbf7d0aa3cbc9e5196126762f4e6c80ed2d7e7a092 |
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font_02_sfnt_off0000e9df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9DF | 18564 bytes |
SHA-256: 70f6b118261d4b92f1565e6345fb5a210cf9ac511307f5d756853526415a9ce1 |
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