MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to numerous disposable domains, one of which is `https://catamma.ru/uplcv?utm_term=ps4+simulator+mod+apk+download`. The document body is heavily obfuscated, preventing a clear understanding of its direct content, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://catamma.ru/uplcv?utm_term=ps4+simulator+mod+apk+download PDF link annotation
- http://greenflameenergy.com/userfiles/file/wilizusedozajivulozutuf.pdfIn PDF document text
- https://organicearthfiji.com/documents/file/27326378643.pdfIn PDF document text
- https://equator-maritime.com/userfiles/file/rulor.pdfIn PDF document text
- https://inprovitbrasil.com/ckfinder/userfiles/files/17262607511.pdfIn PDF document text
- http://shinies.ru/img/lib/file/8639937359.pdfIn PDF document text
- https://bitree.com/ckfinder/userfiles/files/gopevipar.pdfIn PDF document text
- http://jiendurancecoaching.com/ckfinder/userfiles/files/3940603521.pdfIn PDF document text
- http://sanyosushiglendora.com/uploads/files/kelotatutidixinisulomovof.pdfIn PDF document text
- https://at1apigroup3.com/contents/files/95252661185.pdfIn PDF document text
- https://lederstuehle-shop.de/ckfinder/userfiles/files/rupipideguped.pdfIn PDF document text
- http://www.css-jp.com/upfile/files/2021/09/22/72702425970.pdfIn PDF document text
- http://thucancakoihikari.com/luutru/files/56546711011.pdfIn PDF document text
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161431e3fb9cec---96126739642.pdfIn PDF document text
- http://tongchangkj.com/uploadfile/file///2021091117203642.pdfIn PDF document text
- https://mami-m.com/Uploads/userfiles/files/66730231465.pdfIn PDF document text
- http://myshiou.com/uploads/files/202109041252199164.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/ugdfpd2p75dku5e6hoanaj26cs/13944439424.pdfIn PDF document text
- http://faceconnects.com/ci/userfiles/files/75372262138.pdfIn PDF document text
- http://kotolantopeni.cz/file/80325619830.pdfIn PDF document text
- http://electronicaindex.nl/images/uploads/fajifos.pdfIn PDF document text
- http://epicridesnepal.com/files/73891273188.pdfIn PDF document text
- http://tomekorea.com/userData/board/file/nusarikemuzololusoluwo.pdfIn PDF document text
- http://abwgulfport.com/uploads/files/dotupiku.pdfIn PDF document text
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/20218839093.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_off0000d92a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD92A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f141.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF141 | 10780 bytes |
SHA-256: 8c6d3e42ec7c8f2903772bf3faf92271d676b9f669bd8cbc88bf09f0e772d3ec |
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font_02_sfnt_off00010a25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A25 | 17776 bytes |
SHA-256: 0c6d1bff2a8134e58432cff8140078dc6a55161c2d0a0ec0c4a3f0cd3b64ee5f |
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