MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to PDF files on disposable or unknown domains, suggesting a phishing or malware distribution campaign. The presence of a visual download button further supports a lure-based attack. ClamAV detection and ML classification confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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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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 http://kisito.com/userfiles/file/natosenanokubej.pdf In PDF document text
- https://eniedu.com/data/file/20210914022100.pdfIn PDF document text
- http://drsuthichai.com/userfiles/files/zarogujidukaluxedovedapuv.pdfIn PDF document text
- https://sanruouvang.net/images/uploaded/file/zijolojizukipuf.pdfIn PDF document text
- http://physio-praxismitte.de/userfiles/zupejag.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161368740e2b93---sapijejunitufivon.pdfIn PDF document text
- http://kondicionery-bronnitsy.ru/upload_picture/file/fewizap.pdfIn PDF document text
- https://parkerboat.hu/js/ckfinder/userfiles/files/faxipodidexododuxa.pdfIn PDF document text
- http://chia4kids.ru/ckfinder/userfiles/files/19702246694.pdfIn PDF document text
- https://ichibaninfotech.com/ckfinder/userfiles/files/viwemedenarubepezodix.pdfIn PDF document text
- http://rayanchem.com/d/files/91563488867.pdfIn PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210918150446.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/21485720793.pdfIn PDF document text
- http://www.sm.ac.th/ckfinder/userfiles/files/38836936248.pdfIn PDF document text
- http://firstcuwire.com/file_media/file_image/file/xodomadow.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/81029908694.pdfIn PDF document text
- http://savytrading.com/userfiles/file/vujaluna.pdfIn PDF document text
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153f491cdbc8---bigukowadagagabe.pdfIn PDF document text
- https://freeunlock.com/uploads/file/devuwunevunobof.pdfIn PDF document text
- http://bernardthevenet.fr/ckfinder/userfiles/files/dowijidesigepawatiregel.pdfIn PDF document text
- http://xn--38-mlcqjbufcz6h.xn--p1ai/userfiles/file/17812489503.pdfIn PDF document text
- https://morganmethod.com/ci/userfiles/files/78450878639.pdfIn PDF document text
- https://baobiachau.com/luutru/files/xekabuzatodevujutini.pdfIn PDF document text
- https://nusamulticentralestari.com/Uploads/userfiles/files/sitirumadijop.pdfIn PDF document text
- https://mama-light.net/business_school/uploads/file/22105261181.pdfIn PDF document text
- http://hkalc.com/userfiles/69169491178.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/oscUj7J0Gjw/uplcv?utm_term=chromatic+approach+to+jazz+harmony+and+melody+pdfPDF 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_off0000beb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBEB3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d6c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C5 | 17664 bytes |
SHA-256: d01c0bc78cba65a417012c0d99696bccdaebfe811dfb5ddde5751fa67f520e9b |
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font_02_sfnt_off000103e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103E4 | 11052 bytes |
SHA-256: 22b6f646deef073583ca0573f70914cb42f420196416dee82a9007afbaf5092e |
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