MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier. The 'SE_CLIPBOARD_COMMAND_LURE' heuristic indicates the document instructs users to copy and paste content into a command-line interface, a common technique for executing malicious commands. The embedded URLs likely serve as download locations for secondary payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LUREDocument tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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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 http://ytovietnam.net/ckfinder/userfiles/files/29684942989.pdf In PDF document text
- http://gongin.humenia.com/upload/userfiles/2021/09/files/210908031942.pdfIn PDF document text
- http://www.rannatennis.ee/data/upfiles/files/dupadifuvife.pdfIn PDF document text
- http://indyskischool.com/ckfinder/userfiles/files/30429761260.pdfIn PDF document text
- https://jyapa.com/jhuoyue/uploadfiles/18474862530.pdfIn PDF document text
- http://codienlanhtrangia.com/Images_upload/files/liwoj.pdfIn PDF document text
- http://4x4autok.hu/userfiles/files/87488027018.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/gesozerevizutut.pdfIn PDF document text
- http://urjabatteries.in/userfiles/file/disivekoled.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/73345709687.pdfIn PDF document text
- http://rothemtour.com/FileData/ckfinder/files/20210901_69F74A305B28C265.pdfIn PDF document text
- http://cx-gl.hu/images/files/25912596284.pdfIn PDF document text
- http://think6.net/ckfinder/userfiles/files/20210907070942.pdfIn PDF document text
- https://nanyangtextile.com/userfiles/file/25736779330.pdfIn PDF document text
- https://signatureshreyas.in/userfiles/file/vogazudazumidikukim.pdfIn PDF document text
- http://sobateracota.ro/mm/file/majuputubexunuvupi.pdfIn PDF document text
- https://kop-trans.pl/uploads/userfiles/files/29712968874.pdfIn PDF document text
- http://owv-sad.de/userfiles/files/9698527479.pdfIn PDF document text
- http://doremimarlikinsaat.com/userfiles/file/rupup.pdfIn PDF document text
- http://nowyhotelik.pl/userfiles/file/moguzuzoxasas.pdfIn PDF document text
- http://technology-mp.it/userfiles/files/38759757060.pdfIn PDF document text
- http://savitaco.com/uploads/images/files/bekavumepupapokome.pdfIn PDF document text
- http://petrduchek.com/files/59014034178.pdfIn PDF document text
- http://geopraxis.it/userfiles/files/genoduvuxu.pdfIn PDF document text
- http://cortabellanews.com/userimages/fufabuporemilenaj.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+save+a+screenshot+as+a+pdfPDF 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_off0000dd50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f567.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF567 | 10720 bytes |
SHA-256: 071ca41b462c703ce266670253bac5b3c08d2fee19fb4cc09fa80dcc416eb918 |
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font_02_sfnt_off00010df8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DF8 | 18276 bytes |
SHA-256: ab63abe5e6e1c2712ad3cfc4f2de4f30ebd71085c7e60b6c62323780c4fd205e |
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