MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, identified by the PDF_JAVASCRIPT heuristic, which is a common technique for executing malicious code within documents. This script likely redirects the user to one of the numerous external URLs found in the sample, such as 'https://oniceh.ru/uplcv?utm_term=what+are+the+determinants+of+supply', which are often used for phishing or to download further malicious payloads. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. 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://oniceh.ru/uplcv?utm_term=what+are+the+determinants+of+supply PDF link annotation
- http://alnadaoil.com/userfiles/file/wagegasuridudojepulubu.pdfIn PDF document text
- https://sarenpinler.com/calisma2/files/uploads/fafilekoguxujax.pdfIn PDF document text
- http://a2kat.ru/userfiles/file/45817653767.pdfIn PDF document text
- http://banghetretunhien.com/media/ftp/file/24426303903.pdfIn PDF document text
- https://0955205219.jwa.tw/userfiles/files/tukajagirurokur.pdfIn PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021091021145680554.pdfIn PDF document text
- https://mcq-exambd.com/app/webroot/ckfinder/userfiles/files/51796355330.pdfIn PDF document text
- https://gitteszoneklinik.dk/ckfinder/userfiles/files/gerofeguzunekalopune.pdfIn PDF document text
- https://rmp-traueranzeigen.de/cms/files/39847187398.pdfIn PDF document text
- http://1night2day.com/UserFiles/file/25373578483.pdfIn PDF document text
- https://avistravel.activsport.ro/userfiles/file/dogebiduliritojalupifo.pdfIn PDF document text
- http://hasyo.net/files/file/11840844430.pdfIn PDF document text
- http://toflight.mobi/attachment/ckeditor/files/c7a05b375f2a2727cca3abd5f5dfaa75.pdfIn PDF document text
- http://whatifitspossible.com/ckfinder/userfiles/files/xagizezi.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/noridokufo.pdfIn PDF document text
- http://ekogamma.pl/javascript/ckfinder/userfiles/files/riloritufu.pdfIn PDF document text
- http://3mfa.com/images/editor/files/jepikatizas.pdfIn PDF document text
- http://micronforgacsolo.hu/UserFiles/file/jowoto.pdfIn PDF document text
- https://wspaperbag.com/userfiles/file/mogesodiru.pdfIn PDF document text
- https://yocarbroker.com/upload/ckfinder/files/sesuxud.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/592e370883efe639e8a503f0b3c849e2/metokadowewojev.pdfIn PDF document text
- http://qapoll.com/2015/vat/upload/files/31251532702.pdfIn PDF document text
- http://tv-sat.cz/userfiles/file/zojulabakeposadijije.pdfIn PDF document text
- http://domadoma.cz/userfiles/file/17191114102.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_off0000b7c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7C2 | 15404 bytes |
SHA-256: 364b52f7b7f7fd9f717de67fa7c312549e63b627f89e9372e6cb77855bf4e36b |
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font_01_sfnt_off0000deed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEED | 10968 bytes |
SHA-256: 68ae8b83e1af343cfc8a48802a73390bf8a706f1bd943a09892a4bd0d462a858 |
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font_02_sfnt_off0000f83f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF83F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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