MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a large number of external URIs, many of which are hosted on disposable domains, indicating a link farm designed to obscure malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://dveropolis.ru/upload_picture/14187352557.pdf In PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614141f112e1e---88634541620.pdfIn PDF document text
- https://n-vv.dk/userfiles/file/89395563590.pdfIn PDF document text
- https://kcss.hu/korosi/userfiles/file/7733200146.pdfIn PDF document text
- http://xsteelstock.com/d/files/22013717029.pdfIn PDF document text
- http://ttccid.com/userfiles/files/pozuveketubadid.pdfIn PDF document text
- https://unique-u.biz/images/uploads/file/poxogufuzevelexur.pdfIn PDF document text
- http://solmoda.it/userfiles/files/buvuxukaputetotefimozu.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1614633e45a6bb---wasuxeputegewubufidiruz.pdfIn PDF document text
- http://ty-int.com/files/files/74083506164.pdfIn PDF document text
- http://www.atccs3.it/atccs3/fckeditor/editor/ckfinder/userfiles/files/batibuxaviwofemilavazivud.pdfIn PDF document text
- http://riggi.ru/userfiles/file/zulawewigulebififebekox.pdfIn PDF document text
- http://ccsup.co.th/uploads/ckfinder/files/susalemabalelege.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16321944894527.pdfIn PDF document text
- https://purefeeling8.com/data/file/rurezoserojawifadidi.pdfIn PDF document text
- http://xn--42ci4cc0aric4a6dd7c5af9nef7sg.com/userfiles/files/nexujomeleruvebos.pdfIn PDF document text
- https://duproject.com/uploadEditor/files/lopudulibedew.pdfIn PDF document text
- https://www.leadercaravans.com.au/application/third_party/ckfinder/userfiles/files/1129265716.pdfIn PDF document text
- http://garagehayashi.com/js/upload/files/83047261058.pdfIn PDF document text
- http://vuonlan.vn/data/upload/files/91473774674.pdfIn PDF document text
- https://carsen.sk/editor_uploads/system/files/5197352286.pdfIn PDF document text
- http://simp-q.ru/userfiles/file/xomefozu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=top+10+keyboard+for+androidPDF link annotation
- 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_off0000ad98.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD98 | 15416 bytes |
SHA-256: 3eaa82a7f768143ee242c93524af0d6e6f66c39053fa7d534c2f02b756549469 |
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font_01_sfnt_off0000d4af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4AF | 10660 bytes |
SHA-256: d8d747d02e2b3a666f97d6badd09ae3791cd22d9d503e3753ad09a201aff1b1b |
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font_02_sfnt_off0000ed00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED00 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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