MALICIOUS
214
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
The PDF contains embedded JavaScript and multiple external URIs, indicating malicious intent. Heuristics for password-protected archive lures and MFA harvesting suggest a phishing campaign. The ML classifier and ClamAV detection strongly support the malicious verdict, pointing towards a phishing or credential harvesting attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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 https://drafthe.ru/uplcv?utm_term=how+can+i+recover+my+icloud+id PDF link annotation
- http://www.ks-klinika.ru/ckfinder/userfiles/files/13161394679.pdfIn PDF document text
- http://receptlap.hu/files/35205441314.pdfIn PDF document text
- https://deniz-sogutma.org/img/userfiles/file/satolepewudesavazesipopez.pdfIn PDF document text
- http://anbao.vn/uploads/userfiles/file/27652620128.pdfIn PDF document text
- http://xn--80aaaaaikdebj9ccf1ayja1b5a3q.xn--p1ai/ckfinder/userfiles/files/kuzunabuberizobovojale.pdfIn PDF document text
- http://hlqh.net/userfiles/file/20210905111410_396626064.pdfIn PDF document text
- https://paron-rebondir.com/uploads/files/miraxudexisagabunivoxawik.pdfIn PDF document text
- http://koala-al.com/d/files/birewolisakap.pdfIn PDF document text
- https://carparts-fixture.com/file/file/lutuzenukuji.pdfIn PDF document text
- http://andrenickels.de/ckfinder/userfiles/files/letaxezegewaxisugikug.pdfIn PDF document text
- http://szerecsengyogyszertar.hu/editor_up/guxuninamufopuxom.pdfIn PDF document text
- https://osakaav.com/userfiles/files/86528027698.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142b1496a011---ruwafimitanu.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/5617715578.pdfIn PDF document text
- http://inhome360.ru/admin/ckfinder/userfiles/files/80127087510.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139315fc0c27---zutuvilarawirubirawopo.pdfIn PDF document text
- https://appvid.eus/userfiles/files/gotinon.pdfIn PDF document text
- https://polytex.de/sites/default/files/wavibifa.pdfIn PDF document text
- http://caycanhtuyhien.com/uploads/image/files/47171012734.pdfIn PDF document text
- http://kargo-box.com/uploads/files/45099359784.pdfIn PDF document text
- https://listapp.in/ci/userfiles/files/tupowosinivok.pdfIn PDF document text
- http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/jebadepirijudorozetaxara.pdfIn PDF document text
- http://peak-experience-japan.fr/images/blog/file/94846887780.pdfIn PDF document text
- https://genegurumiraclehealer.com/userfiles/file/pikuruw.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_off0000d617.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD617 | 10620 bytes |
SHA-256: 434dd68e93a838dfa21979288f0a0cef77ddfd96c890319b780e7f6b304ce486 |
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font_01_sfnt_off0000ee50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE50 | 18656 bytes |
SHA-256: fd99a83739136d52e649847cac1044dce5d504b71aea2ec41297d4642c6a1051 |
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font_02_sfnt_off00011f2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F2E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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