MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs and is part of a link farm hosted on disposable domains, suggesting a phishing or malware distribution campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating the PDF is designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=android+disable+ads+in+apps PDF link annotation
- http://ozdoby-betonowe21.pl/Upload/file/50584499350.pdfIn PDF document text
- http://unitekinfostructures.com/userfiles/file/38475347367.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/mululatologasarup.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ehl0vtks7v72mkqmcnjni82dru/64966614189.pdfIn PDF document text
- https://10playsolutions.com/clients/softklk/documents/_articles_/file/senesefufituxamekibal.pdfIn PDF document text
- https://reparationmobile.net/userfiles/file/dolapesipededoziwuxafurit.pdfIn PDF document text
- https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/xofupokipagedizinofe.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/17430616166.pdfIn PDF document text
- http://caythuocnam.org/images/files/ganexalamizumafozoruru.pdfIn PDF document text
- https://lanna-flyingclub.com/ckfinder/userfiles/files/vevosaz.pdfIn PDF document text
- http://www.eau-msu.ru/ckfinder/userfiles/files/27303227394.pdfIn PDF document text
- http://loaamtran.vn/files/usersfiles/files/maberovuminaba.pdfIn PDF document text
- http://kovofilm.cz/userfiles/file/variluzurunajes.pdfIn PDF document text
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/14025529112.pdfIn PDF document text
- http://epilia.com/upload/FCKEditorfile/11924263688.pdfIn PDF document text
- http://nieruchomosciklodzko.pl/files/file/varegutijawozowewukomu.pdfIn PDF document text
- https://vinacoma3.vn/userfiles/file/kadesa.pdfIn PDF document text
- http://nujhimachal.in/img/uploads/files/bowijosumedi.pdfIn PDF document text
- https://ghnservizi.com/file/45799979025.pdfIn PDF document text
- http://paradisetourkorea.com/FileData/ckfinder/files/20210905_6A85AC12DDD446FA.pdfIn PDF document text
- https://speedwayinfo.hu/uploads/file/bivukobalexav.pdfIn PDF document text
- https://tomorrowhubs.com/upload/users/files/12366917637.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613bea6a13716---20560221194.pdfIn PDF document text
- https://rireenfrance.com/images/upload/files/bevakuvaxopivapubegetoje.pdfIn PDF document text
- http://caogenzhiben.com/filespath/files/20210906060247.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_off0000ca9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA9A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e2b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B1 | 10408 bytes |
SHA-256: 7ddf7e7818b6ba506702ca5aa38e5d6b58cb455a43742b1985044ac3b5a118c9 |
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font_02_sfnt_off0000fa13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA13 | 16520 bytes |
SHA-256: 0c699437507848722d8255c3321a6505553c546edb862685efdb84128b8cab7f |
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