MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document contains embedded JavaScript and numerous external URIs, indicating malicious intent. The document employs a social engineering lure, instructing the user to install a browser extension or plugin, which is a common method for delivering malware or stealing credentials. The ML classifier and ClamAV detection strongly support its classification as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 8
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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 https://philabc.ru/uplcv?utm_term=how+to+transfer+data+from+android+phone PDF link annotation
- http://kpotplace.com/uploads/files/34892345427.pdfIn PDF document text
- http://x04ydivan.ru/userfiles/file/98590867537.pdfIn PDF document text
- http://srilakshmienterprises.net/uploads/33063291846.pdfIn PDF document text
- http://e68momo.com/shopadmin/upload/files/ladevemirefavapitovam.pdfIn PDF document text
- http://antonioruizabogados.es/userfiles/file/webexotemikanot.pdfIn PDF document text
- https://lazerom.pro/media/file/86621119524.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/9bbfneurgfqtc0v7p3dk9j9079/79108915089.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/femasazu.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/ff461943ab071385bd6f1e2ffd759b39/komexarimuweda.pdfIn PDF document text
- http://mkconline.com/landmark/ckfinder/userfiles/files/tuziza.pdfIn PDF document text
- https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/pigafeg.pdfIn PDF document text
- http://tokyoracing.hu/userfiles/file/41063050619.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/vuxixurafokopekasufa.pdfIn PDF document text
- https://ibshospitals.com/userfiles/file/vanagituropa.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/pafevapudakibimomoru.pdfIn PDF document text
- http://www.smartlandgroup.com/ckfinder/userfiles/files/81355023465.pdfIn PDF document text
- http://gshosnab.ru/userfiles/file/davokogemexuwo.pdfIn PDF document text
- http://princeverma.in/uploads/files/33302925325.pdfIn PDF document text
- http://taketty.xyz/js/ckfinder/userfiles/files/kavubakuda.pdfIn PDF document text
- https://styliststudios.com/imagesTE/file/98882941277.pdfIn PDF document text
- http://evola.it/userfiles/files/dezegotilobowe.pdfIn PDF document text
- http://itfkarnataka.com/cvsprojects/SSK/Source/2.0.0/images/files/jixipabifefup.pdfIn PDF document text
- http://michelesherrinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lemapowupajalitone.pdfIn PDF document text
- 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_off0000d191.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD191 | 10792 bytes |
SHA-256: 6627c42b875a1f65be554ba727639d154bd926aab4f20434e02f0c9d81a826a7 |
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font_01_sfnt_off0000ea3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA3C | 16308 bytes |
SHA-256: 569a7448e08cf92fb18ea0b9c323504c47bbe716e39d5c34e3b712f153ca903c |
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font_02_sfnt_off00011463.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11463 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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