MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a large number of links pointing to potentially disposable domains, suggesting a phishing or scam attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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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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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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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://krajinar.cz/soubory/files/tafozofenuxevusebugafa.pdf In PDF document text
- https://ego-sofa.tw/uploads/files/202109081822209261.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/76136547023.pdfIn PDF document text
- https://konferencii.ru/js/ckfinder/userfiles/files/23596415700.pdfIn PDF document text
- https://noursportevents.com/wheelmarine/userfiles/file/rijafatolakisapag.pdfIn PDF document text
- http://baloneacessorios.com/_upload/file///pewazidopituwunemelakul.pdfIn PDF document text
- http://ugyvednok.hu/userfiles/file/moxison.pdfIn PDF document text
- http://thermcom.cz/userfiles/file/fapivoxotowug.pdfIn PDF document text
- http://e-junghan.com/userData/board/file/69483777966.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/towujaredi.pdfIn PDF document text
- http://hstechno.com/userData/ebizro_board/file/7845243128.pdfIn PDF document text
- http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/8740021962.pdfIn PDF document text
- https://duragloss.pl/userfiles/file/45666107283.pdfIn PDF document text
- http://beijingteye.com/upload/files/xodagapojebazudenumu.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/qs3se9gonlb7v4jubuh75l7lud/jawope.pdfIn PDF document text
- http://jingkangchem.com/upload/files/xobat.pdfIn PDF document text
- http://sriraghavendratemple.com/ckfinder/userfiles/files/2535199164.pdfIn PDF document text
- http://electrogalicia.com/electrogalicia/recursos/archivos/4398302373.pdfIn PDF document text
- http://pandoraecza.com/genelresimler/file/bipamokudiku.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/25860297131.pdfIn PDF document text
- http://ottotech.center/userfiles/file/vawaxuniwi.pdfIn PDF document text
- https://jagamimpi.net/contents/files/wisumerupebegugitewe.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/1409f91da4cd948167e0b1279846a2ae/26550268844.pdfIn PDF document text
- http://cc-loges.com/uploads/file/39231299232.pdfIn PDF document text
- http://chatyzvule.cz/uploads/26224528539.pdfIn PDF document text
- http://rtm-plus.com/ckfinder/userfiles/files/nuwit.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=watch+furious+7+free+onlinePDF 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_off0000dc24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC24 | 10576 bytes |
SHA-256: ed36e2b3c870ab6a3c637dba241a0573859a2d496be2ff6f2074b9d4bd3537d1 |
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font_01_sfnt_off0000f455.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF455 | 18488 bytes |
SHA-256: f8406ca6a41aee12d4bb03c1e9b74bb41e07ee45fb533514164bdc987dcfea05 |
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font_02_sfnt_off0001249c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1249C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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