MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of numerous external URIs, including those on potentially disposable hosting, suggests a phishing or credential harvesting campaign. The heuristic 'SE_DOWNLOAD_BUTTON' further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://xosobacninh.vn/webroot/img/files/dulujekoriz.pdf In PDF document text
- https://mabuksusu2.com/contents/files/95651384709.pdfIn PDF document text
- http://bytip.net/filespath/files/20210906013520.pdfIn PDF document text
- http://noavarservice.com/ckfinder/userfiles/files/56398320814.pdfIn PDF document text
- https://washlounge.in/ckfinder/userfiles/files/4276432593.pdfIn PDF document text
- http://abwmarlboropike.com/uploads/files/zokelipodamajitozux.pdfIn PDF document text
- http://language-coach.pl/uploads/files/xuseroz.pdfIn PDF document text
- http://computerdoki.hu/user/file/48409160148.pdfIn PDF document text
- http://sbcnepal.com/images/file/wilexaponowisiginolotoj.pdfIn PDF document text
- https://www.cosanuesa.com/componentes/editor/ckfinder/userfiles/files/dogutezivenepumoxezejuge.pdfIn PDF document text
- https://rolcsi-bau.hu/userfiles/files/76990636643.pdfIn PDF document text
- http://qiuyutv.com/userfiles/files/20210911052332.pdfIn PDF document text
- http://tomaszskiba.com/userfiles/file/pesijelogoxululowajuvaja.pdfIn PDF document text
- https://lecachet.fr/docs/files/labegezegeluk.pdfIn PDF document text
- http://pepinieres-soupe.com/userfiles/file/zudufubogefas.pdfIn PDF document text
- https://gegeny.hu/uploads/file/55541829680.pdfIn PDF document text
- http://trans-serwis.com/userfiles/file/65916487276.pdfIn PDF document text
- https://sysyanginguvenlik.com/uploads/files/wuvexebenujuma.pdfIn PDF document text
- https://bloomlight.pl/_bloom/file/ramikurasolomi.pdfIn PDF document text
- http://studiomontironi.eu/userfiles/files/bofotozazuroxerofokazikag.pdfIn PDF document text
- http://kapfenberger-schuetzenverein.at/userfiles/file/sudogolep.pdfIn PDF document text
- https://wilocom.ro/ckfinder/userfiles/files/soxones.pdfIn PDF document text
- http://greatwalledmond.com/ckfinder/userfiles/files/zebolizukabaxulenoxenedo.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/6758239572.pdfIn PDF document text
- http://gachmenminhchien.com/media/ftp/file/93408981154.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=ubuntu+adb+fastbootPDF 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_off0000e3fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3FE | 10224 bytes |
SHA-256: 8d47f894f945cab7cb98b6ffae1f8a563cbac9077e3117c3515ce8cc55cf8889 |
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font_01_sfnt_off0000fb16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011328.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11328 | 19148 bytes |
SHA-256: 2e47a26edaee71d77a821d9d6137af2d442d2c1dc4d3a34ceff1705a1cd60837 |
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