MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristic 'SE_BROWSER_INSTALL_LURE' strongly suggests a social-engineering attack aimed at tricking the user into installing malicious software or extensions. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://awinresource.com/uploadfile/file/kunaxofamikemunini.pdf In PDF document text
- https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/46d1gmkhdu51lm0fi35a95ri5r/53992632282.pdfIn PDF document text
- http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/38322898975.pdfIn PDF document text
- https://marugame.hk/editor_upload/file/8329400777.pdfIn PDF document text
- https://ww150005.linebot.net/upfile/files/20210916194919.pdfIn PDF document text
- https://taxfirma.com/userfiles/file/62032880840.pdfIn PDF document text
- http://jan-fotografie.nl/upload/files/jipaxi.pdfIn PDF document text
- https://regionalhealthprogramsww.com/images/file/fegaj.pdfIn PDF document text
- http://youil.org/userData/board/file/60655628283.pdfIn PDF document text
- http://konditsionery-reutov.ru/upload_picture/file/dadatis.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name/files/79595875060.pdfIn PDF document text
- https://4wheelchile.cl/admin/uploads/file/84896243052.pdfIn PDF document text
- http://www.bluefashion.cz/ckfinder/userfiles/files/12686807477.pdfIn PDF document text
- http://decamiones.com/userfiles/file/94218208945.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/96689456483.pdfIn PDF document text
- https://aecvfcom.nrgence.com/upload/userfiles/files/vibisekuzumonemuwu.pdfIn PDF document text
- http://frchem.cn/upload/files/44884953530.pdfIn PDF document text
- http://medicaldistri.com/ckfinder_files/files/97281435033.pdfIn PDF document text
- https://roshnaai.com/ckfinder/userfiles/files/60892168798.pdfIn PDF document text
- https://hotnews.md/upload/userfiles/files/fopekivoxokifozikonatap.pdfIn PDF document text
- http://aadcnfgl.netsociality.com/upload/files/84993996391.pdfIn PDF document text
- http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f08dd21381---48227656558.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=good+to+great+pdf+copyPDF 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_off0000d05f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD05F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE871 | 16776 bytes |
SHA-256: 1daa9ca0aa59683dc3d44dd6371a9422cf7c05b99c934f3b04fbf4930fa892cf |
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font_02_sfnt_off0001132e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1132E | 10540 bytes |
SHA-256: e8452dae237546985d2494a38a1adb8b24caa6db23c079f64c6d9a2b996d1bea |
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