MALICIOUS
94
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV, specifically as a phishing trojan. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to other PDF files, many of which are hosted on potentially disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a malicious intent to obscure the true destination or to host a large number of lures. While no scripts were directly extracted, the nature of PDF exploits often involves embedded JavaScript for malicious actions.
Machine Learning
- Nyx PDF Classifier suspicious score 0.4750
Heuristics 4
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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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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://bya-ingenieria.com/ckfinder/userfiles/files/xividubutibalogebiwi.pdf
- http://instalater-macecek.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/superude.pdf
- https://dimensionshoppe.com/alpha/ckfinder/userfiles/files/77009566533.pdf
- http://quaretti.it/userfiles/files/lofisipop.pdf
- http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/97979592955.pdf
- http://club-integra.ru/userfiles/file/4930801153.pdf
- https://glycocalyx.nl/userfiles/image/file/tokajovuwuzi.pdf
- https://spirit-legend-enterprises.com/webroot/editor-uploads/files/lunite.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/alv16vfr01l46o28ddmbrg2vu0/2277941558.pdf
- http://asijskepotraviny.cz/files/file/14759515446.pdf
- http://3colorjazz.com/fckeditor/userfiles/image/38813833212.pdf
- http://alarmy-kamery24.pl/userfiles/file/vimatadugofixij.pdf
- https://alpinashop.rudy-ra.com/files/jepipejoden.pdf
- http://togclick.com/media/userFckfiles/file/nenifewibonitaxifag.pdf
- https://lotteppta.com/beta/assets/file/59169794759.pdf
- http://jingmingtai.com/filespath/files/20210912181721.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/f8e03e811451d4b595adba2943b305e5/5998965010.pdf
- http://myphammonly.com/luutru/files/pabetowimotuxaj.pdf
- http://mybyblos.com/userfiles/file/zifepufumemirev.pdf
- http://www.larucheapain.fr/ljk/file/68804746258.pdf
- https://actaviaserica.org/board/file/files/82730262193.pdf
- https://agriplan-rs.com/dados/ckfinder/files/37383922597.pdf
- https://deltaguvenlik.net/userfiles/file/rugopopurofelufuti.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=kill+team+rules+pdf+2020
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc1d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC1D | 16792 bytes |
font_01_sfnt_off0000f42f.binb0a36dc70729a83ac8ffc4ade08a477f279e5d2d49b642380bfa5cb51853b5bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF42F | 18968 bytes |
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