MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed to host numerous links on disposable domains, a common tactic for phishing or distributing further malware. The embedded URL 'https://coretry.ru/uplcv?utm_term=ufc+undisputed+ppsspp+android+download' suggests a lure related to software downloads, likely leading to a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 5
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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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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://coretry.ru/uplcv?utm_term=ufc+undisputed+ppsspp+android+download
- http://cementfeet.com/userfiles/file/76057882261.pdf
- http://theponghop.com/upload/files/23629503917.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/161301df24a880---kupemavevinemarapimij.pdf
- http://bigdoughpizza.com/uploads/files/22903359784.pdf
- http://axiomestates.com/userfiles/file/46554042720.pdf
- https://alohasafaris.com/files/vedurolej.pdf
- http://herium.net/FileData/ckfinder/files/20210911_EF6083F0463763C3.pdf
- https://0286869143.com/editor_images/files/nigutofewelaja.pdf
- http://innovad-ltd.com/userfiles/file/zerugitijoku.pdf
- http://cariboohose.com/userfiles/file/90171982588.pdf
- http://massimosusto.eu/userfiles/files/93418874836.pdf
- https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161413cfce5325---nilulidefovidesenax.pdf
- http://nhagiatxanh.com/public/default/ckeditor/files/mamovijukud.pdf
- https://hardlineconstruct.ro/app/webroot/files/userfiles/files/48092284475.pdf
- https://samsungdvm.net/upload/ckfinder/files/63904726902.pdf
- http://pickup-ws.com/userfiles/files/84846899939.pdf
- https://eastmanllc.net/ckfinder/userfiles/files/zulurevapimugefonagiz.pdf
- http://fashionflutters.com/ckfinder/userfiles/files/40053630178.pdf
- http://ort168.com/upload/ckeditor/files/64038354296.pdf
- http://roseeskin.com/userfiles/file/20210913142632.pdf
- http://parzenica-bialka.pl/userfiles/files/xuzasudoza.pdf
- http://klenderbio.com/upload/files/3269373175.pdf
- https://bilalyapidekorasyon.com/userfiles/file/44695208409.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cbdf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBDF | 16792 bytes |
font_01_sfnt_off0000e3f1.bin4626346fa979a4381d179712c47e7e74f7431d0f835c0a021875eeaa88456678 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3F1 | 17948 bytes |
font_02_sfnt_off00011285.bin44e3cdf4d9ceb6ea2ea025d963f6f190718bd876e14f174823f8f9742cf288f6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11285 | 10808 bytes |
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