MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1059.001 PowerShell
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier. The heuristic 'SE_CLIPBOARD_COMMAND_LURE' indicates the document attempts to trick the user into executing commands via the clipboard. This suggests an attempt to deliver a secondary payload, likely through a command-line interpreter like PowerShell. The numerous embedded URLs, many pointing to PDF files on disposable domains, further support a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://cuacuontoanthang.com/media/file/sabujowobubiviwegojor.pdf In PDF document text
- https://xuantruongtech.com/images/ckeditor/files/44614484804.pdfIn PDF document text
- http://sendedianqi.com/upload_fck/file/2021-9-2/20210902110256497931.pdfIn PDF document text
- http://hissekurban.com/resimler/files/21186904080.pdfIn PDF document text
- http://chuabenhxuongkhop24h.com/images/files/jetosowesovirafamo.pdfIn PDF document text
- http://gemmacapitalgroup.com/foto/file/kajuxebuferovakiw.pdfIn PDF document text
- https://etadelloro.it/images/file/gomimemajafujefegew.pdfIn PDF document text
- http://globalfeedindustry.com/upload/files/xikam.pdfIn PDF document text
- https://sesconbs.org.br/ckfinder/userfiles/files/31626087011.pdfIn PDF document text
- http://churchtextile.com/userfiles/file/jamiwalalax.pdfIn PDF document text
- https://virtrade.gr/userfiles_lybo/file/69153422275.pdfIn PDF document text
- https://hoangnhataudio.vn/media/files/xadobujuvikoli.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/kfuko3dj0a31r8f88j14d30foe/80521925775.pdfIn PDF document text
- https://kisikana.hr/UserFiles/files/19856888153.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161390124bf90c---77913242943.pdfIn PDF document text
- http://master-sign.ru/ckfinder/userfiles/files/96136809672.pdfIn PDF document text
- http://kuryakyn.ru/userfiles/file/zaluwuj.pdfIn PDF document text
- https://www.aicsmindia.org/ckfinder/userfiles/files/zoladem.pdfIn PDF document text
- http://ktcz.eu/files/files/zexipekuzipasudokufajox.pdfIn PDF document text
- https://remoteyourstaff.com/calisma2/files/uploads/nufexamululo.pdfIn PDF document text
- http://decaiyun.com/upload/file/210918144733761671dfw0gz0z2lxu.pdfIn PDF document text
- https://hazeloyun.com/calisma2/files/uploads/wekavabukamabu.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/e7935c113c6c06b6845f4c8206ea68c6/86640829277.pdfIn PDF document text
- http://houstontca.org/Content/uploads/files/kegexuzibapepi.pdfIn PDF document text
- http://stensoproject.com/userfiles/files/40970476536.pdfIn PDF document text
- http://happy-land.hu/editor_up/jetazewe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+delete+documents+from+android+phonePDF 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_off0001041e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1041E | 11064 bytes |
SHA-256: 01d1b9850a362f098b26c2329052ac0e77d0b71493b4452d18cd643a7f851837 |
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font_01_sfnt_off00011da9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DA9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000135bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135BB | 17952 bytes |
SHA-256: e973c7deb1ea0f8c9f871a09aa62a6b7bf9ba4ac47e59b526c202ecd2e2e6eae |
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