MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by multiple heuristics, including ML classification and ClamAV, indicating malicious intent. The presence of embedded URLs and the 'SE_PASSWORD_ARCHIVE_LURE' heuristic suggest the document is designed to trick users into downloading a password-protected archive, likely containing a secondary payload. The document body is heavily obfuscated and unreadable, but the heuristics strongly point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://ketchas.ru/uplcv?utm_term=how+to+backup+and+restore+viber+messages+on+android PDF link annotation
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613d86493cae4---medotidadusu.pdfIn PDF document text
- http://yuanjiangchem.com/upload/files/jusexiwul.pdfIn PDF document text
- http://mjacz.cz/soubory/files/21136476724.pdfIn PDF document text
- https://ancoraeducacion.com/images/tojitumipeji.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/lolalimopomuxeposota.pdfIn PDF document text
- http://karpatskiles.ru/store/file/39676653996.pdfIn PDF document text
- https://barcelona-health.com/files/galeria/files/fopeposukeped.pdfIn PDF document text
- http://zvezda-rostov.ru/ckfinder/userfiles/files/55905690756.pdfIn PDF document text
- http://movietek.vn/hinh-anh/files/dedorutotisafojale.pdfIn PDF document text
- http://kavtas.com/images_upload/files/juwerenex.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/xitotusefebipok.pdfIn PDF document text
- https://mamadona.ru/ckfinder/userfiles/files/64122827454.pdfIn PDF document text
- http://adbuilder.at/ckfinder/userfiles/files/rireruxazimefad.pdfIn PDF document text
- https://www.domaine-de-la-ferme.fr/ckfinder/userfiles/files/bomuworuwowobu.pdfIn PDF document text
- http://wawa757.com/uploads/files/pitetulepolufevasezev.pdfIn PDF document text
- http://top-rubber.com/admin/fckeditor/editor/filemanager/connectors/upload/file/63230319060.pdfIn PDF document text
- http://ampletrekking.com/userfiles/file/59336347773.pdfIn PDF document text
- https://dongciao.com/uploads/files/202109102336507496.pdfIn PDF document text
- http://www.trackls.com/application/ckeditor/ckfinder/userfiles/files/73634980215.pdfIn PDF document text
- http://haohanlegend.com/Uploadfiles/files/ledojitaxiladoromejowed.pdfIn PDF document text
- https://fruitssupplier.com/app/webroot/img/files/kutobe.pdfIn PDF document text
- http://cafemsoffice.com/userfiles/files/54985768966.pdfIn PDF document text
- http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/kivutasetizipavu.pdfIn PDF document text
- http://jedwines.com/cmsCart/upload/file/lujugosinusekikomazoxa.pdfIn PDF document text
- 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_off0000b88c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB88C | 16060 bytes |
SHA-256: d889dd4867629556ee8db5508a2b86db071c4f666e10e335c5c1304f0d8413b4 |
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font_01_sfnt_off0000e1a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1A5 | 11284 bytes |
SHA-256: ab8030c78da7b660521fadd158a9d8889615f1abdff0a13b4b60a49765ceef90 |
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font_02_sfnt_off0000fbc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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