MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript and multiple external URIs, flagged by ML classifiers and ClamAV as malicious. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic indicates the document's intent is to trick the user into downloading a password-protected archive, likely to bypass security controls. The embedded JavaScript and numerous unknown URLs suggest a mechanism for delivering a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
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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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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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://echipamente-scule.ro/userfiles/file/zififipipakuxutam.pdf In PDF document text
- https://777mto.info/contents/files/gajawigapiwuxawiz.pdfIn PDF document text
- http://hasdeu.md/data/userfiles/files/motunonirinidu.pdfIn PDF document text
- http://quranday.org/userfiles/file/vunabudozetur.pdfIn PDF document text
- http://metalltechnik-kutschi.at/72742931179.pdfIn PDF document text
- http://tokstar.com/_UploadFile/Images/file/47397303574.pdfIn PDF document text
- http://musclecar-taps.com/js/upload/files/50489840892.pdfIn PDF document text
- http://huarui-bio.com/upload/files/18089810850.pdfIn PDF document text
- http://koreaticketland.com/userfile/file/gavadipofagirirade.pdfIn PDF document text
- https://psychologgia.pl/Upload/file/29208284692.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16137e42fdf151---vabejego.pdfIn PDF document text
- https://deltarents.com/upload/ckfinder/files/saxen.pdfIn PDF document text
- https://mobile-translator.eu/app/webroot/media/files/suselafunizegupivemowuzuw.pdfIn PDF document text
- https://podgoricki-klub.me/userfiles/file/8970208162.pdfIn PDF document text
- http://consol.hu/images/uploadedimages/file/80522546.pdfIn PDF document text
- http://kcde.kr/userfiles/file/77417947175.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16136e82e0c96d---42000919376.pdfIn PDF document text
- http://cjmfgxfollow.morefriendship.com/upload/files/86104394381.pdfIn PDF document text
- http://aiaato.com/FileData/ckfinder/files/20210910_00599B0D5EB4A430.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1613d34dddc171---84115010286.pdfIn PDF document text
- https://mccartha-cobb.com/userfiles/files/tutinowujidusoxetiweke.pdfIn PDF document text
- http://baiduvpn.com/upload/files/nowopikubexawikovodivu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=download+new+super+mario+bros+wii+romPDF 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_off0000bf85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF85 | 17136 bytes |
SHA-256: 53ff8f4030f9492e009eda0bbec6f0afdd2411d0bf36d9a5a9d12b01e9363f55 |
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font_01_sfnt_off0000ebc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC5 | 10780 bytes |
SHA-256: 6353a250cd23a6a9fd954e98611734890f30ce2948506985545e13ca196d8945 |
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font_02_sfnt_off00010459.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10459 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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