MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains embedded JavaScript and numerous external URIs, suggesting it is designed to redirect users to potentially harmful websites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports that the document is part of a scheme to distribute malicious content through a large number of links on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://aymexco.eu/ckfinder/userfiles/files/23131443008.pdf In PDF document text
- http://pecsimutargygaleria.hu/files/file/68256616077.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134a50b6606d---14676130192.pdfIn PDF document text
- http://westfallassociates.com/documents/file/51023299310.pdfIn PDF document text
- http://velkoobchod-man.eu/ckfinder/userfiles/files/lorikerilinizisuwuxip.pdfIn PDF document text
- http://hig-hegmann.de/userfiles/file/21670076735.pdfIn PDF document text
- http://gesht.ru/admin/ckfinder/userfiles/files/55957059537.pdfIn PDF document text
- http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/53336894239.pdfIn PDF document text
- http://lukinserv.hu/file/81564062466.pdfIn PDF document text
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/4e7da71205aa002afbae0bbc8c1c7299/36094224609.pdfIn PDF document text
- https://noithatkuongthinh.com/uploads/files/fozuwufupuvuri.pdfIn PDF document text
- http://www.addvanceo.info/userfiles/files/liloxemididedimodaxuli.pdfIn PDF document text
- http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/fukafofawovanofalo.pdfIn PDF document text
- https://accu-split.com/userfiles/files/wixivujawatuvexonemumodu.pdfIn PDF document text
- http://schokozentrale.de/idata/kevonamekubitotogobiwusir.pdfIn PDF document text
- http://billsky.ee/files/file/60046006396.pdfIn PDF document text
- http://mackyz7automotive.com/js/upload/files/garuvemirutosuj.pdfIn PDF document text
- https://projetovm.com/uploads/files/jajujaropavozexoveseja.pdfIn PDF document text
- http://aqua4you.hu/userfiles/file/78116119768.pdfIn PDF document text
- http://greddy.com/admin/common/ckfinder/userfiles/File/9728339918.pdfIn PDF document text
- http://acsalma.hu/userfiles/files/13668320381.pdfIn PDF document text
- https://godahoian.com/app/webroot/upload/files/91203990731.pdfIn PDF document text
- http://astprom.ru/sites/default/files/file/guguxejonekedejorowo.pdfIn PDF document text
- http://njuhome.pl/ckfinder/userfiles/files/57966736262.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=1111+pubg+litePDF 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_off0000c559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC559 | 9968 bytes |
SHA-256: 09a04d04ada08ed8d0e00cd0e85b01e6831baffb58846ee2a887ff227b76856c |
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font_01_sfnt_off0000db3f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB3F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f351.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF351 | 17512 bytes |
SHA-256: f33f948fe3339ef3a8886da3e9159621f5e46ae72cf924811a9fd72311407242 |
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