MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external links, many of which are hosted on potentially disposable domains, suggesting a link farm or redirection mechanism. The presence of a 'download button' heuristic further supports the idea that this PDF is designed to trick users into downloading malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' reinforces the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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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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 http://pro-elec.ru/ckfinder/userfiles/files/sunabapubixitalasuxukaz.pdf In PDF document text
- https://ibextrail.com/editor-images/7170097177.pdfIn PDF document text
- https://eko-briketes.lv/userfiles/files/nijojupupukalagaxez.pdfIn PDF document text
- http://thewellmanteam.com/userfiles/files/60962810030.pdfIn PDF document text
- https://maurinet.com/userfiles/file/2548479132.pdfIn PDF document text
- http://orchid-daikanyama.com/userfiles/file/45057607813.pdfIn PDF document text
- http://belgium-ex.com/images/blog/file/7848940375.pdfIn PDF document text
- http://ambulatorioveterinarioilprato.eu/userfiles/files/38833990677.pdfIn PDF document text
- https://cobaltinc.org/userfiles/file/jilokadebagimoxixunal.pdfIn PDF document text
- https://metrosecuritynepal.com/assets/userfiles/files/xemidu.pdfIn PDF document text
- https://lmcmanager.com/ckfinder/userfiles/files/4819584328.pdfIn PDF document text
- http://vinaaquachem.com/uploads/files/gokezomodu.pdfIn PDF document text
- http://goodmax.ru/i/files/84768226580.pdfIn PDF document text
- http://ducthai.vn/userfiles/file/kuwezazunerufomoxokiwurit.pdfIn PDF document text
- https://tekartltd.com/upload/files/wisosabune.pdfIn PDF document text
- https://www.sesc-am.com.br/Selecao/ckfinder/files/5136723557.pdfIn PDF document text
- http://dobre-jaja.com/Upload/file/28758843358.pdfIn PDF document text
- http://brixtontaxi.com/survey/userfiles/files/41855841396.pdfIn PDF document text
- http://mojahotels.com/ckfinder/userfiles/files/luwafubi.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/161302027719ad---nemakinox.pdfIn PDF document text
- http://faithleader.org/js/ckfinder/userfiles/files/tizevalemolozulabikuw.pdfIn PDF document text
- http://kp-technik.cz/ckfinder/userfiles/files/61163216151.pdfIn PDF document text
- https://colakcivi.com/userfiles/file/28893912521.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=change+android+phone+regionPDF 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_off0000e26c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE26C | 10388 bytes |
SHA-256: e6447cf5f989579b8ce4e8b2a46a630b03f7ed0a3541f0c00f8306dfd9f10296 |
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font_01_sfnt_off0000f996.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF996 | 18716 bytes |
SHA-256: f49b065f32b90dd75d9bf85e4ae5bd509fe104560a18cd86fe05f10d21bde5b1 |
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font_02_sfnt_off000129d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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