MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains, indicating a link farm designed to obscure the true destination. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to trick users into downloading a secondary payload. The presence of embedded JavaScript suggests it may be used to facilitate the download or redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://ctsgroups.asia/images/file/86903743584.pdf In PDF document text
- http://www.enfersalus.com/ckfinder/userfiles/files/xururinatekovinis.pdfIn PDF document text
- https://genegurumiraclehealer.com/userfiles/file/30985884785.pdfIn PDF document text
- http://top-rubber.com/admin/fckeditor/editor/filemanager/connectors/upload/file/72912201731.pdfIn PDF document text
- https://dgaspcsm.ro/ckfinder/userfiles/files/17203479506.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161396c5fc03cd---13431938504.pdfIn PDF document text
- http://xn--12cm8caae5d9a0a0a1dxk6dd.com/user_img/files/25669450083.pdfIn PDF document text
- http://leadingedgecorporate.com/user_images/file/perejofepog.pdfIn PDF document text
- http://www.ujepites.hu/userfiles/files/gapozofu.pdfIn PDF document text
- http://phayaotechno.com/UserFiles/File/mapubezefozuri.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/40451534343.pdfIn PDF document text
- http://hoteldanang.com/uploads/images/files/84413870872.pdfIn PDF document text
- http://essentielles-theater.de/UserFiles/File/kupilapaziwogiwefepogozus.pdfIn PDF document text
- https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/60677794061.pdfIn PDF document text
- https://seeandhearbetter.ie/img/shop/contents/30197210785.pdfIn PDF document text
- http://mayjack.com/upload/files/62137189410.pdfIn PDF document text
- http://ferrocom-spb.ru/userfiles/files/21074132175.pdfIn PDF document text
- https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/96851893952.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/5beee080fd37ec139f2cd3b7a5c4e000/zukidiwixora.pdfIn PDF document text
- http://tonyprins.nl/images/uploads/file/jamezo.pdfIn PDF document text
- http://araratmebel.ru/img/file/32146156608.pdfIn PDF document text
- http://zenithmetals.com/files/66888942573.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/poridusaletunediwijasodi.pdfIn PDF document text
- http://inventory-acepipe.com/images/uploads/files/24595443058.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=zombie+hill+racing+modPDF 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_off0000d341.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD341 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB53 | 17532 bytes |
SHA-256: 3fbdeab90c5e43507159a535360e89eb57513f0de63dd5cff076de1e89c79be1 |
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font_02_sfnt_off00011807.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11807 | 10656 bytes |
SHA-256: 7bcd307e3808315de7f908f4ffe6d10a2ece7111461a74ad89937d5d6ad46389 |
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