MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which point to disposable domains and are likely part of a link farm designed to obscure malicious URLs. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggests the document may be attempting to trick users into believing they need a password to access an archive, a common tactic for bypassing gateway security. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://irlanc.ru/uplcv?utm_term=how+to+read+rar+files+on+android PDF link annotation
- http://kunjipsc.com/uploads/files/fizabori.pdfIn PDF document text
- http://liceoadultos.juniorcollege.cl/userfiles/files/86283418309.pdfIn PDF document text
- http://praguetransfer.com/files/file/zoraxowimujow.pdfIn PDF document text
- http://bjsixiang.com/jingkelun/userfiles/files/20210909072603.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130229bef6df---25186916812.pdfIn PDF document text
- http://www.slenderclub.cz/ckfinder/userfiles/files/86428602387.pdfIn PDF document text
- http://acril.ru/ufiles/files/mofowuvani.pdfIn PDF document text
- https://virtrade.gr/userfiles_lybo/file/vowitemidapowebidewi.pdfIn PDF document text
- https://egokituz.eus/files/galeria/files/1265053942.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/jedojikefamenok.pdfIn PDF document text
- http://hoilhpnqbthanh.com/upload/file/93988447939.pdfIn PDF document text
- https://zapret-rf.org/web/img/podborky/files/56818436737.pdfIn PDF document text
- http://year-c.com/upload_fck/file/2021-9-9/20210909085847458330.pdfIn PDF document text
- http://gidromall.ru/img/uploads/file/58734104450.pdfIn PDF document text
- http://cambresisemploi.fr/ckfinder/userfiles/files/fekakomi.pdfIn PDF document text
- http://sonnenheizung.ch/fckeditor/editor/images/file/14445940942.pdfIn PDF document text
- http://vansuloi.com/uploads/userfiles/file/darivufigubakutodaviwozi.pdfIn PDF document text
- http://www.smpnuenen.nl/images/files/nalamigokajegu.pdfIn PDF document text
- https://srmhomes.com/images/bulk_images/files/nubetikasimatifada.pdfIn PDF document text
- https://driftwoodcc.com/userfiles/files/20639971916.pdfIn PDF document text
- http://commissioncollectionlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/58909170269.pdfIn PDF document text
- http://jikaramen.com/uploads/files/regefewivolevirinojajir.pdfIn PDF document text
- http://morecoredesign.com/images/imageUps/files/vozadi.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_off0000db64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB64 | 17944 bytes |
SHA-256: 1e6a9001a27c54ea3cc4a79b3d05c14584ecf5e5e93921c92be6377b6dd9995e |
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font_01_sfnt_off00010976.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10976 | 10424 bytes |
SHA-256: 3c1d3adb793f1be8e94cef348306bb240eb5f8a38aff4014f39a39a8dd9db8b3 |
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font_02_sfnt_off00012135.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12135 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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