MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external URIs and a link farm pointing to various domains, suggesting it's designed to redirect users to potentially harmful content. The presence of embedded JavaScript further supports its role as a delivery mechanism for malicious payloads or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://krisoc.ru/uplcv?utm_term=drive+2018+full+movie+online
- http://zap-interactive.com/uploads/files/32007162641.pdf
- https://777mto.info/contents/files/47404520300.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142245d33f80---49496715715.pdf
- https://alhurwallpaper.com/Files/files/52274959776.pdf
- https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/lobiduwuxevumanomaxipa.pdf
- https://webbsoil.com/home/webb/public_html/ckfinder/userfiles/files/migikuxajagetoveliwo.pdf
- http://exclusivelimoservice.com/ckfinder/userfiles/files/10048961597.pdf
- http://spielundlicht.de/content_provider/documents/files/78970334247.pdf
- http://banner-ever.com/ckImg/files/velawuponusijeta.pdf
- http://gaudi.tw/upload/file/68514834230.pdf
- http://esangsok.com/upfile/files/74761156857.pdf
- https://cosmopolitanhotel.lastrada.bg/uploads/wysiwyg/files/fekozapi.pdf
- https://www.mds-horizons.com/upload/files/wowebifijolikun.pdf
- http://mcutech.net/files/godulaxokidev.pdf
- http://zit-tech.com/userfiles/files/dipitezunerufokasugibo.pdf
- https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/794aa1f2be8d86f34a66355726879dc0/23091158161.pdf
- http://brenno-tojestto.pl/userfiles/file/lobopi.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/b9fa91aa41aa17ee78b33713c286a8c1/lutebukagagipakewifobovat.pdf
- https://watosaphotography.com/app/webroot/userfiles/files/20210916_072723.pdf
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/73376302300.pdf
- http://evopizza.lt/ckfinder/userfiles/files/65477687146.pdf
- https://pbpkrosno.com/fckfile/kisakawizusigunuv.pdf
- http://novosib-sport.ru/ckfinder/userfiles/files/81324589082.pdf
- http://francescasciortino.it/userfiles/files/zewalovozazofe.pdf
- http://www.erealitysolutions.com/tennisontario/assets/appsadmin/js/ckfinder/userfiles/files/purerububanududovomunugam.pdf
- http://sbriz.ru/userfiles/file/gijaxejadosuj.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f7ba.bin02a92bfdbe6610b1e48f106080985802baa43a2156d747087f5b9a1b4821367d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BA | 18780 bytes |
font_01_sfnt_off00012873.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12873 | 16792 bytes |
font_02_sfnt_off0001408a.binf1fe103c90d52715ed98627738d67b1077bec321c39544e71a79d1d81e65ce5f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1408A | 10616 bytes |
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