MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to numerous distinct hosts, with a high concentration of external URIs. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://asfalon.com/__files/file/dadogojibimajivugebisevik.pdf In PDF document text
- http://lscapital.it/images/file/11526590891.pdfIn PDF document text
- https://proxkimya.com/resimler/files/67165078498.pdfIn PDF document text
- https://tapetcenter.ro/app/webroot/files/userfiles/files/13508985057.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/50083148306.pdfIn PDF document text
- http://antwerp-reefer-tournament.be/argt/files/pisenevelaborekedepuzox.pdfIn PDF document text
- https://floridagreatescape.com/media/file/buluzafefopowukenexarizip.pdfIn PDF document text
- http://hanilkwanla.com/uploads/files/84373798216.pdfIn PDF document text
- https://hoya.hr/UserFiles/file/pejexuwarugikalifagesafe.pdfIn PDF document text
- http://work4shop.cz/userfiles/file/mogemaxizetevujizugoludu.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/9daf301c965f6259bde6c0f73f06ee1d/76018507260.pdfIn PDF document text
- https://medius.sk/userfiles/file/19431385028.pdfIn PDF document text
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/064abda1302777a51efd0b85d6c84578/zulemekorosajajakex.pdfIn PDF document text
- http://imaginove.eu/data/Files/tijuxugoxojiseguk.pdfIn PDF document text
- https://tannhatviet.vn/upload/files/3316388948.pdfIn PDF document text
- http://sxhk365.com/uploads/file///21141059080.pdfIn PDF document text
- https://rumusjitu.com/contents/files/dajifevoviga.pdfIn PDF document text
- https://b2bircruise.travflex.com/bot/ckfinder/uf/files/gikudorupinixoj.pdfIn PDF document text
- http://www.nachtruhe.info/up/files/3190150510.pdfIn PDF document text
- https://nk-sostanj.si/files/file/70663612631.pdfIn PDF document text
- https://sudhirsachdevaclasses.com/ci/userfiles/files/37054461396.pdfIn PDF document text
- http://fiumaradelsossio.it/userfiles/files/62962376954.pdfIn PDF document text
- http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/gafipixodarubu.pdfIn PDF document text
- https://www.creativetalentnetwork.com/ckfinder/userfiles/files/zuposako.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=the+art+of+communication+is+the+language+of+leadershipPDF 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_off0000b33c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB33C | 15608 bytes |
SHA-256: cfd57a0c44c3dd2b838eb45f3b80d38912a69894fa5b283bfe8f1abca321c9ab |
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font_01_sfnt_off0000da5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f271.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF271 | 11132 bytes |
SHA-256: 3d2815490642c2fa72f3cd4dc133867b3ef6bf1b1dedbe204733ed6eb5f39a8a |
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