MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicate a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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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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://cafesezony.ru/fck_editor_files/files/luriwomikolitogalefo.pdf In PDF document text
- http://kondicionery-himki.ru/upload_picture/file/9898968408.pdfIn PDF document text
- http://otestmanager.org/club/data/userfiles/file/20210914051111.pdfIn PDF document text
- http://wittlich-luexem.de/userfiles/file/vojoguwofepudijesumapod.pdfIn PDF document text
- http://nessium.net/userfiles/file/kusaj.pdfIn PDF document text
- https://kocarbonag.com/luutru/files/fifove.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/5fd74c477a7a21132eb7d3a9c2df2100/98802146540.pdfIn PDF document text
- http://www.boldino-hotel.com/ckfinder/userfiles/files/xodesuvajaja.pdfIn PDF document text
- http://alacarte-grafik.de/userfiles/file/71960277984.pdfIn PDF document text
- http://hangtatmj.com/userfiles/maworibelu.pdfIn PDF document text
- http://steelbo.com/uploads/admins/u0/files/20210913165013.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/83233959613.pdfIn PDF document text
- https://christianklein.eu/Quansis/ckfinder/userfiles/files/17355112554.pdfIn PDF document text
- https://drticket.ir/basefile/drtiketcom/files/29853860565.pdfIn PDF document text
- https://ap-qatar.com/userfiles/files/xotufeveramapumilurebij.pdfIn PDF document text
- https://excellencetogether.com/img/files/file/27221365405.pdfIn PDF document text
- http://uitetenindex.nl/images/uploads/fozagaxalowubidiniruz.pdfIn PDF document text
- http://cleanking.net/userData/board/file/66549818024.pdfIn PDF document text
- http://gldbirdgel.com/user_img/files/sokuwagopefirudoge.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/2052318887.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f26d277e52---7107070737.pdfIn PDF document text
- http://businessvaluationapp.com/fck_files/file/darudi.pdfIn PDF document text
- http://pereplanirovkaoblast.ru/pict/file/52983403358.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=ppt+to+compressed+pdfPDF 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_off0000e3a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fbb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBB6 | 18120 bytes |
SHA-256: 466710aaef3a6678ecbcafdaa9141faab0fa2eb030aa8eb47885a5c988bba13c |
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font_02_sfnt_off00012ae3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AE3 | 10376 bytes |
SHA-256: 68676aec6fc7ee52a21a33d0c592c3a7c5d1d7953d05b05f017e86ceba9c7183 |
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