MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan threat. The document employs a social-engineering tactic by presenting a lure for a browser extension or update, aiming to trick the user into downloading a malicious payload. While no scripts were directly extracted, the PDF structure and embedded URLs suggest it acts as a dropper or redirects to malicious content, likely involving JavaScript execution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://nacituran.com/userfiles/file/mumozememafomugesej.pdf In PDF document text
- http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/88550893524.pdfIn PDF document text
- https://livnica-metalurg.com/images/pages/file/93990759928.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/9e4d6fec651632029d8ce05fa669edf3/29960642962.pdfIn PDF document text
- http://congtyvima.com/images/Download/50928386852.pdfIn PDF document text
- https://upaspor.com/resimler/files/topom.pdfIn PDF document text
- http://oppedisanorobertosrl.com/userfiles/files/6052976670.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-9-9/20210909055221787664.pdfIn PDF document text
- http://kite-surf.sk/files/60429260239.pdfIn PDF document text
- https://efnnma.org/files/file/pepigewewesodurafimasope.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/71071300131.pdfIn PDF document text
- http://abarappresentanze.it/userfiles/files/31205347565.pdfIn PDF document text
- https://fenicia.uy/fenicia.com.uy/uploads/files/xaradifinedurex.pdfIn PDF document text
- https://middletonchambers.com/ckfinder/userfiles/files/26483296245.pdfIn PDF document text
- http://tzsunup.com/upload/mikel.pdfIn PDF document text
- http://etpatatietpatata.com/userfiles/files/47808999802.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/21363037489.pdfIn PDF document text
- http://solarexperten.ch/fckeditor/editor/images/file/bidegukibad.pdfIn PDF document text
- http://byecook.com/ckupload/files/4366429938.pdfIn PDF document text
- http://www.advokat.com/app/webroot/img/fck/file/11253750971.pdfIn PDF document text
- https://fwstc.in/userfiles/file/98788475774.pdfIn PDF document text
- https://incense888.com/uploads/files/202109120027286656.pdfIn PDF document text
- https://myphi.biz/nbloom/fckuploads/file/zegowepupogudezipe.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=resume+failed+download+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_off0000da71.bin927251188c6efc6427716deae0ad496ff67e3108e2184f78c16e3dadf729cf6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA71 | 10876 bytes |
font_01_sfnt_off0000f365.bin171cf18843a6fb4cff8dff2334486699fdba10e259d876465bd141fd2be25dfe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF365 | 19260 bytes |
font_02_sfnt_off000124ac.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124AC | 16792 bytes |
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