MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV, indicating malicious intent. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic strongly suggests the document's purpose is to trick users into handling a password-protected archive, likely to evade security measures. Numerous external URIs were found, with one pointing to a link farm on disposable hosting, further supporting a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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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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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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://butyfarm.mm520.net/userfiles/files/74782728879.pdf In PDF document text
- http://candientushinko.com/images/file/69583624167.pdfIn PDF document text
- http://kpotplace.com/uploads/files/jegovukevasugudimonuloso.pdfIn PDF document text
- http://qazaqbanki.kz/data/content/files/bukapawetovirok.pdfIn PDF document text
- http://mrpennarak.com/user_file/file/39237005891.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/96900069952.pdfIn PDF document text
- https://iwanbim.com/userfiles/files/juribulukemefi.pdfIn PDF document text
- https://koltoztetes-szallitas-lomtalanitas.excore.hu/ckfinder/userfiles/files/39463680642.pdfIn PDF document text
- http://harposwebdesign.nl/app/webroot/files/userfiles/files/jugowebururawadaxevoruse.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/ijlejt7ufubh8ktvsi365vi7il/87673992535.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/sutojiz.pdfIn PDF document text
- http://nc-israel.ru/upload/files/moguz.pdfIn PDF document text
- http://nakamurasangyou.jp/app/webroot/uploads/files/68753338450.pdfIn PDF document text
- https://skl.deindrukdemo.nl/upload/files/mukujiluvisezivogote.pdfIn PDF document text
- https://ibexquimica.com.br/ckfinder/userfiles/files/47966766820.pdfIn PDF document text
- http://rimini-portal.de/bilderarchiv/file/8983989600.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/95f012db8accfec25d418c3c110848de/bodudiwafisiwofimufevuset.pdfIn PDF document text
- http://clingac.com/d/files/rezezanupapo.pdfIn PDF document text
- https://kildevangen.dk/files/saroripevoweremadojaxo.pdfIn PDF document text
- http://adabaskimerkezi.com/upload/file/fuwafibufetex.pdfIn PDF document text
- http://piemonteforyou.it/userfiles/file/zemuwufeni.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=mejor+navegador+para+android+tabletPDF 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_off0000d8a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A3 | 18016 bytes |
SHA-256: 0bc2eb032751cf6f3ee9dce16a294b99044736b50ed28684ee1244f08f19e315 |
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font_01_sfnt_off000105d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D3 | 10728 bytes |
SHA-256: 9166f35affae3a5d5c915e137af6344824a96c2be65d54bb01f6db551f7aea8e |
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font_02_sfnt_off00011e16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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