MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to suspicious domains, and is flagged by ML classifiers and ClamAV as malicious. The heuristic 'SE_LOLBIN_RUN_COMMAND' suggests an attempt to execute commands, likely via embedded scripts, to facilitate malicious activity. The presence of multiple external URIs and the link farm heuristic indicate a strong intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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://chokysitohang.com/Uploads/userfiles/files/33606329190.pdf In PDF document text
- https://livre-art.com/ckfinder/userfiles/files/38847702421.pdfIn PDF document text
- http://bannermaul.com/userData/board/file/58354595021.pdfIn PDF document text
- http://sweatrinserepeat.com/ckfinder/userfiles/files/wodipowat.pdfIn PDF document text
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/161395909bc5dd---2722445909.pdfIn PDF document text
- http://resheto.ru/users_images/fck/file/xavolupudirotere.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161390336a8bdf---46174652008.pdfIn PDF document text
- http://slkuang.com/v15/Upload/file/202192652164014.pdfIn PDF document text
- http://naoshima-tours.com/images/blog/file/11408349711.pdfIn PDF document text
- https://kingwrapcarspa.com/upload/files/botufixeleneneniguro.pdfIn PDF document text
- http://climtech.com/files/files/dujenuzezit.pdfIn PDF document text
- http://izmirtavla.com/upload/file/56611789890.pdfIn PDF document text
- https://jmbarrenetxea.soinuenea.eus/files/galeria/files/godafetepiforegari.pdfIn PDF document text
- https://makojudo.pl/zdjecia/fck/file/4848838132.pdfIn PDF document text
- http://abwrosedale.com/uploads/files/44705833681.pdfIn PDF document text
- http://gensugroup.com/upload/files/datepago.pdfIn PDF document text
- https://insolite.lu/img/userfiles/files/36588725328.pdfIn PDF document text
- https://renfrewareahealthvillage.ca/ckfinder/userfiles/files/6985648747.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/sarig.pdfIn PDF document text
- http://chanakyaaerospacedefence.com/userfiles/file/vifitegerajadi.pdfIn PDF document text
- http://wronba.com/uploads/wysiwyg/file/6373608375.pdfIn PDF document text
- http://dailycan.com/userfiles/files/lizusuvo.pdfIn PDF document text
- http://gruppocaminiti.it/userfiles/files/banop.pdfIn PDF document text
- http://kimwendelldesign.com/ckfinder/userfiles/files/69123331827.pdfIn PDF document text
- https://aynispirit.nl/userfiles/file/difapotut.pdfIn PDF document text
- http://xn--franzsischebulldoggen-lec.eu/userfiles/file/gezoperobu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+download+play+store+app+in+pc+windows+7PDF 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_off0000df09.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF09 | 19192 bytes |
SHA-256: 58c62dec895aaf3149f2318e9ec6913aeef30af9da35a9044f56fbfdbd4f891c |
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font_01_sfnt_off0001109a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1109A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000128b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128B1 | 10748 bytes |
SHA-256: e6fe28d0a8b2540aa049bff734037ae407a6b36b4f23a2688dd947e6a364f800 |
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