MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The sample is identified as malicious by ClamAV and an ML classifier, and it exhibits heuristics indicative of a phishing lure. The 'SE_BROWSER_INSTALL_LURE' heuristic strongly suggests the document's purpose is to trick the user into installing malicious software disguised as a browser update or extension. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing campaign designed to lead users to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://missteenqueenuk.com/userfiles/file/vofurevalanoru.pdf In PDF document text
- https://ncvpte.in/userfiles/file/61454636273.pdfIn PDF document text
- http://sweepinstyle.com/userfiles/file/86570276018.pdfIn PDF document text
- https://huanghecables.com/d/files/56611982159.pdfIn PDF document text
- http://fuzoku-kyujin.jp/ckfinder/userfiles/files/98054345633.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613f5290859af---49484925516.pdfIn PDF document text
- http://connectcontrol.net/files/userfiles/files/22539969746.pdfIn PDF document text
- https://ever-progress.com/upload/files/20735523992.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/73518093374.pdfIn PDF document text
- https://adrfarysz.pl/userfiles/file/75857162685.pdfIn PDF document text
- https://alienaquatics.com/home/gb/public_html/ckfinder/userfiles/files/76308932079.pdfIn PDF document text
- http://bowlingkillers.com/imgdb/files/76725903385.pdfIn PDF document text
- http://xn----7sbqwxdbhblh2h.xn--p1ai/data/file/9008883124.pdfIn PDF document text
- https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/bozenixa.pdfIn PDF document text
- http://chinazzjx.com/d/files/31383720604.pdfIn PDF document text
- https://www.aicsmindia.org/ckfinder/userfiles/files/75352952688.pdfIn PDF document text
- http://chenruichem.com/upload/files/zidekejenowiwoxaweju.pdfIn PDF document text
- http://zangerlelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/75889743712.pdfIn PDF document text
- https://valve-toho.com/userfiles/file/53477004697.pdfIn PDF document text
- http://banghetretunhien.com/media/ftp/file/29479543894.pdfIn PDF document text
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe951f2a91---sunujunod.pdfIn PDF document text
- http://zhongjiukeji.com/upload_fck/file/2021-9-4/20210904210832790864.pdfIn PDF document text
- http://agriturismoilnoceto.com/userfiles/files/29916374904.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=html+css+tutorial+pdfPDF 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_off0000db30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB30 | 10636 bytes |
SHA-256: 368626cd33c744d1ebded8565f7c238f048c8b3a51ac043103ca3b2a65686bb4 |
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font_01_sfnt_off0000f384.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF384 | 17364 bytes |
SHA-256: 59da24cd4ee3ca324cb0776f93d42b8e0a263778af18ee0b17cc54be8c75d925 |
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font_02_sfnt_off000120af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120AF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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