MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised WordPress sites, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://cructi.ru/uplcv?utm_term=hd+moving+wallpapers PDF link annotation
- http://bangtaisay.com/uploads/userfiles/file/88616045014.pdfIn PDF document text
- http://shinies.ru/img/lib/file/33312627110.pdfIn PDF document text
- http://kimsanghun.com/upload/userfiles/file/2021971829486189.pdfIn PDF document text
- http://triatlonbizuterie.cz/sites/default/files/file/5829002633.pdfIn PDF document text
- http://31kouqiang.com/userfiles/file/1632402542.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/161439c2534400---duxerebagix.pdfIn PDF document text
- http://glina-master.ru/admin/ckfinder/userfiles/files/wovolemo.pdfIn PDF document text
- http://ottuk-e.org/userData/board/file/kaxozipelazogu.pdfIn PDF document text
- https://tepihtrava.rs/files/2533759232.pdfIn PDF document text
- http://elfast.ru/userfiles/file/fejekojanojugelela.pdfIn PDF document text
- https://trimix.bg/UserFiles/File/tabis.pdfIn PDF document text
- http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161408ecc1c5c3---82704916722.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613eca98e033a---43409924346.pdfIn PDF document text
- http://lex-ter.ru/admin/ckfinder/userfiles/files/bogiro.pdfIn PDF document text
- http://cmuniontravel.com/userfiles/files/ropixepumemurarip.pdfIn PDF document text
- http://dexgerm.com/data/file/userfiles/files/44983237720.pdfIn PDF document text
- http://ykzn8.com/upfiles/editor/files/bofupu.pdfIn PDF document text
- https://steammining.com/userfiles/file/81542675110.pdfIn PDF document text
- http://vinczeandlaszlo.com/upload/zifekidokanogobemijuma.pdfIn PDF document text
- http://kiajihlava.cz/UserFiles/File/13791021206.pdfIn PDF document text
- http://zhizhencn.com/filespath/files/20210923164846.pdfIn PDF document text
- https://mimpishiodua.com/contents/files/96560414712.pdfIn PDF document text
- http://studiomilano.eu/userfiles/files/41538495575.pdfIn PDF document text
- http://constantemail.com/userfiles/file/163241495752710197943.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_off0000b88d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB88D | 10780 bytes |
SHA-256: 62a6972e3b3fa2f58d77e583ed79b89c1d6a11c43c7903b9de85da61bf78c66a |
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font_01_sfnt_off0000d11f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD11F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e931.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE931 | 19008 bytes |
SHA-256: 8d44c34f351b2833925840174935df3a31c65a115e72c141578274396cd05cd4 |
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