MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document that exhibits characteristics of a link farm, with numerous URLs pointing to potentially compromised websites. The presence of embedded JavaScript and a high ML classifier score, combined with ClamAV detection as Pdf.Phishing.Trojan, strongly suggests malicious intent. The document body is heavily obfuscated, but the heuristics indicate a phishing or malware distribution scheme leveraging compromised CMS uploads and disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 7
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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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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 http://www.ville-civaux.fr/admin/js/ckfinder/userfiles/files/6781441020.pdf In PDF document text
- http://banghetretunhien.com/media/ftp/file/kavoladuxetakoxojuva.pdfIn PDF document text
- http://fruitvita.com/files/files/46148704341.pdfIn PDF document text
- https://istanajp.com/contents/files/4415134679.pdfIn PDF document text
- http://maxbrio.kr/files/files/23849122296.pdfIn PDF document text
- http://dj-maily.com/uploads/pages/files/tezulopez.pdfIn PDF document text
- http://tandartsindex.nl/images/uploads/xibaribivekew.pdfIn PDF document text
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612ec165111ce---93576086634.pdfIn PDF document text
- http://musiclivemarsala.com/userfiles/files/68355124376.pdfIn PDF document text
- https://gizaviation.com/uploads/files/37240594763.pdfIn PDF document text
- http://dennehylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nafiwotup.pdfIn PDF document text
- http://abwfinlay.com/uploads/files/12443561843.pdfIn PDF document text
- http://studioaba.net/userfiles/files/5056879585.pdfIn PDF document text
- http://rehahomecare.com/upload/editor/files/dosifudeg.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/pijitobavogoz.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7b910e185---5225559841.pdfIn PDF document text
- http://maytinhtuyenquang.com/home/maytinhtuy/domains/maytinhtuyenquang.com/public_html/images/file/kifilip.pdfIn PDF document text
- http://reckdance.pl/userfiles/file/57983629060.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/vomiwinibu.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/4buiqglnas6iriu0cucspmjfmf/lojetamigaxilo.pdfIn PDF document text
- https://www.padanguparduotuve.lt/ckfinder/userfiles/files/45036148012.pdfIn PDF document text
- https://ptkas.com/kingkong/userfiles/files/89327436693.pdfIn PDF document text
- http://dangkykinhdoanhkiengiang.com/upload/ck/files/jevoxenoxoxanigexiwezu.pdfIn PDF document text
- http://studiotecnicostradi.eu/userfiles/files/wapadojusunokiruxegigo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=madalin+stunt+cars+2+play+onlinePDF 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_off0000e0fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0FB | 17500 bytes |
SHA-256: 948a66df99e816e7cffaf08f3701b780ddb40c671c187f77fc551a60e91a0792 |
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font_01_sfnt_off00010e81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E81 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012698.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12698 | 10836 bytes |
SHA-256: 4ba8ac41c41d9d07c76648d4805d79e5c1eeb5a01156ee82a8fd25a4cb06f67f |
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