MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, exhibiting characteristics of a phishing and trojan delivery mechanism. The document employs social engineering tactics, specifically luring users to install browser extensions or updates, or to paste content into command-line interfaces, which are common pretexts for malware installation or credential theft. While no scripts were directly extracted, the PDF structure and embedded URLs suggest it acts as a dropper or redirects to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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://stimatacasa.eu/userfiles/files/4333914058.pdf In PDF document text
- https://impulsa.mantareys.net/uploads/plantillas/files/sedorejogemozevigotilep.pdfIn PDF document text
- http://2016.letnifestiwal.pl/ckfinder/userfiles/files/govasomilelubasitufiro.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/15586954079.pdfIn PDF document text
- http://hcbarrett.com/user_area/file/23671553502.pdfIn PDF document text
- http://italy-ex.com/images/blog/file/76066184391.pdfIn PDF document text
- http://cheliabinsk.realxenon.ru/uploads/files/bizivuwogurofud.pdfIn PDF document text
- http://nyett.hk/uploads/news/files/94361467153.pdfIn PDF document text
- http://dentalcenterstudio.it/userfiles/files/15972224130.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/s2qr4lca5cr013vn94l85adevh/zugonifidad.pdfIn PDF document text
- http://ipceurope.be/assets/file/97588193396.pdfIn PDF document text
- http://studiolegalezullo.eu/userfiles/files/repewekij.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613743945dd5b---73170727506.pdfIn PDF document text
- https://mygoaltv.com/ipp/images/uploads/files/75710178819.pdfIn PDF document text
- https://cardion.dk/gfx/fckimages/file/zepabexa.pdfIn PDF document text
- http://winfielddeli.com/ckfinder/userfiles/files/jonitawimazew.pdfIn PDF document text
- https://familienbilstrup.dk/ckfinder/userfiles/files/69363906915.pdfIn PDF document text
- http://edwindijk.nl/home/edijk/domains/edwindijk.nl/public_html/uploads/file/lawiganazotojusubuketedaz.pdfIn PDF document text
- http://masonhn.com/d/files/xilekovafabananozijopa.pdfIn PDF document text
- https://equator-maritime.com/userfiles/file/76264749894.pdfIn PDF document text
- https://jecoexports.com/ckfinder/userfiles/files/10920009667.pdfIn PDF document text
- http://bergepkolcsonzo.hu/userfiles/file/ludowapavi.pdfIn PDF document text
- http://surveycook.com/upload/tmp/202109/file/wulofebobumejaj.pdfIn PDF document text
- https://cukimentescukraszda.hu/files/files/31180751957.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=cash+app+apk+for+iosPDF 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_off0000de35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE35 | 17508 bytes |
SHA-256: 4ff0d9e9257117301e7053aabed3cacd13dac5a6f008a2d98ed5fe11fca3221d |
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font_01_sfnt_off00010bb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BB1 | 10200 bytes |
SHA-256: a0abd5d4276a212f55316f4b7003ad8b329440d09b59811eebee9f8848095c46 |
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font_02_sfnt_off000122ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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