MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ML classifiers and ClamAV as malicious. It contains numerous external URIs, including one pointing to a raw IP address, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further indicates a lure to download potentially harmful files, likely exploiting a PDF vulnerability to execute code.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://philabc.ru/uplcv?utm_term=cbse+date+sheet+2019+class+12+commerce+pdf+download PDF link annotation
- https://dawnraytech.985.tw/data/file/userfiles/files/59204196341.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/ac76f661c911cba0e82fdb10187e30a8/kapemenizilufuwedaxosif.pdfIn PDF document text
- http://ihdbd.org/upload/files/43687588070.pdfIn PDF document text
- http://kleni.cz/userfiles/file/41242209631.pdfIn PDF document text
- http://xn--jt2b56wn0ap2a.com/upload/file/202109081526066272.pdfIn PDF document text
- http://hjtech.org/admin/upfile/file/gutapimitigadavexonuw.pdfIn PDF document text
- http://good163.cn/Uploadfiles/files/11928239089.pdfIn PDF document text
- http://kientrucphatloc.com/upload/files/waponatopuleru.pdfIn PDF document text
- http://cn-polylysine.com/d/files/66796916780.pdfIn PDF document text
- http://thuaphatlailongthanh.vn/upload/contentFile/minhchau/file/sesobememerovoxegizo.pdfIn PDF document text
- http://creativetechno.in/userfiles/file/78848544191.pdfIn PDF document text
- https://xn--pssa17sw71b.tw/upimages/files/setiduxenojigekugado.pdfIn PDF document text
- https://heart-calligraphy.com/uploads/files/202109070300306019.pdfIn PDF document text
- http://oawebserver.com/piceditor/file/4306071836.pdfIn PDF document text
- http://santabruna.cl/upload/file/89396490402.pdfIn PDF document text
- http://dubilex.com/userfiles/files/gofulakejibexizoje.pdfIn PDF document text
- https://svetplus.com/userfiles/files/pevoxujofuweribefunopex.pdfIn PDF document text
- http://185.33.116.145/~acus01/upload/files/wivufidagam.pdfPDF link annotation
- https://congthuonghotel.vn/app/webroot/files/images/pages/files/10125923878.pdfIn PDF document text
- https://hondaotohaiphong.vn/upload/files/sezarerekusokesawosalowo.pdfIn PDF document text
- http://beergolfers.com/blog/images/file/90411358247.pdfIn PDF document text
- http://leaguengn.com/userfiles/file///22348273326.pdfIn PDF document text
- http://jj-metals.com/userfiles/file/2021090316170073499.pdfIn PDF document text
- http://eichler-kammerer.de/93307740196.pdfIn PDF document text
- https://hanurichurch.org/ckfinder/userfiles/files/monorafavopelo.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_off0000d6db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6DB | 11512 bytes |
SHA-256: 7a865437cd240315e0f5063d6ea025dc7cb1031976f7e3dc530869bcc69cd3f1 |
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font_01_sfnt_off0000f1e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000109fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109FB | 17632 bytes |
SHA-256: f9e8928807e176da3e0151bf5797d9862d2e08278bc0ef5ee136c2155d7a188a |
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