MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded JavaScript is a common technique for executing malicious code or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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://laborke.ru/uplcv?utm_term=download+windows+7+iso+image+64+bit PDF link annotation
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/cjv355f9k0fb9cgjbqsanfjde3/nusodefa.pdfIn PDF document text
- https://citrasas.com/userfiles/file/javawojizapivefiwim.pdfIn PDF document text
- https://groupburuemas1.com/contents/files/fufeniro.pdfIn PDF document text
- http://muasamhangmy.com/ckfinder/userfiles/files/dujaxotebotobobupir.pdfIn PDF document text
- http://quimis.net/js/ckfinder/userfiles/files/30759980561.pdfIn PDF document text
- https://dacola.com/upload/files/22883527943.pdfIn PDF document text
- http://sinice-rasy.cz/files/file/nisizafivesaxuxoture.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16134fececa044---30773306414.pdfIn PDF document text
- https://thepainter.asia/upload/files/timinosozarigotopafaf.pdfIn PDF document text
- http://allgeology.ru/ckfinder/userfiles/files/61250520600.pdfIn PDF document text
- http://erisalaw-chicago.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nibaramuwalo.pdfIn PDF document text
- https://onlinendttraining.com/files/11318254343.pdfIn PDF document text
- https://gitedu.in/ckfinder/userfiles/files/71986274720.pdfIn PDF document text
- http://marktoby.com/akram/know_news/admin/userfiles/file/37424822118.pdfIn PDF document text
- http://xn----otbb6ahq3d.xn--p1ai/ckfinder/userfiles/files/57354171766.pdfIn PDF document text
- https://habibitours.com/ckfinder/userfiles/files/91066002248.pdfIn PDF document text
- https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/vojesosofofolojew.pdfIn PDF document text
- http://0851gay.org/userfiles/202109file/2021090113041670554.pdfIn PDF document text
- http://fullerton.kopanramen.com/uploads/files/mokirugaga.pdfIn PDF document text
- http://skrabl.pl/www/rpbd/fck/file/nubusaxalewop.pdfIn PDF document text
- https://vinocastillo.hu/editor_up/mulijugemedonofipazapifox.pdfIn PDF document text
- https://automatisme-portail-bordazzi.fr/userfiles/fichiers/72255663606.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/wifokibirulatigoxuju.pdfIn PDF document text
- https://diedacorporation.net/freesiafiles/file/reduxobemanorowagigi.pdfIn PDF document text
- http://i-p-p-c.com/ckfinder/userfiles/files/14788604506.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_off0000dc77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC77 | 19424 bytes |
SHA-256: cfe8e708c01956a287d528cae8340fd399b9cb77c3de936d99dceb85a7089ac5 |
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font_01_sfnt_off00010f2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F2F | 11012 bytes |
SHA-256: 0b0a9e009cacbd96e05abc4b07050ef0db0a72aeeb9f25d5c25129f6b7aca5ba |
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font_02_sfnt_off000128ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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