MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF contains embedded JavaScript and is flagged by ML classifiers and ClamAV as malicious. A heuristic indicates a browser extension or update installation lure, a common social-engineering tactic for credential theft or malware installation. The embedded JavaScript likely facilitates the execution of malicious code or redirection to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://chrislahoda.ca/userfiles/file/pugonipinobotuk.pdf In PDF document text
- https://lrsinc.co/userfiles/file/majuxesuwefakujotajivu.pdfIn PDF document text
- http://synowka.pl/galeria/file/wapuzuvi.pdfIn PDF document text
- http://hometextiles-consultant.com/ckfinder/userfiles/files/lovonitovugokusegake.pdfIn PDF document text
- https://peoplehelppeople.net/uploads/File/bizokuzusowexuwatipalitiz.pdfIn PDF document text
- http://hugslock.com/app/webroot/img/files/zivepipujunumedemoxogizi.pdfIn PDF document text
- http://serting.eu/userfiles/files/80612846819.pdfIn PDF document text
- http://marleenjansen.nl/images/uploadfiles/55398685054.pdfIn PDF document text
- https://samsungklimamodelleri.com/upload/ckfinder/files/31513203757.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/67141484691.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16141b8a58e7dc---51602559808.pdfIn PDF document text
- https://noitiethoc.com/userfiles/file/57906524819.pdfIn PDF document text
- http://chizclean.ru/files/fck/file/gimesufunijaxinubevefufud.pdfIn PDF document text
- https://unicorn.mn/js/ckfinder/userfiles/files/lonuta.pdfIn PDF document text
- http://goldenmallbiotech.com/upload/files/89060153798.pdfIn PDF document text
- https://birutelorasin.com/contents/files/65058454356.pdfIn PDF document text
- https://namdolove.com/FileData/ckfinder/files/20210906_4C5BFA18330CB8E0.pdfIn PDF document text
- https://shreegroupco.com/userfiles/file/35543077468.pdfIn PDF document text
- http://logenamerica.com/userfiles/file/zafepupixogobuzus.pdfIn PDF document text
- http://moskvaznaet.ru/upload/files/73594337526.pdfIn PDF document text
- https://evergreencans.com/userfiles/file/notavuzurabaz.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=html5+chrome+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_off0000f2f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010b08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B08 | 10592 bytes |
SHA-256: 43e5a92f1d7e000ff48e0f6d3a949a6acba68604ce2af265daef7a388d1eda03 |
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font_02_sfnt_off000122f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122F7 | 18268 bytes |
SHA-256: e2c1f81a787ac92bc21052dbca76be76923126811d3db14614d2fae3400f0419 |
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