MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to suspicious domains and are structured as a link farm, a common tactic for phishing or distributing further malware. The heuristic 'SE_LOLBIN_RUN_COMMAND' also indicates the presence of command-line execution patterns within the document text, suggesting an attempt to execute malicious code or redirect the user to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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 http://salonmysliwskirys.pl/userfiles/file/wiwowaketojeju.pdf In PDF document text
- http://www.jobibon.com/admin/userfiles/file/jirupujeb.pdfIn PDF document text
- https://hram-uspeniya.ru/ckfinder/userfiles/files/30836546195.pdfIn PDF document text
- http://chongthamphucthang.com/images/news/files/587177082.pdfIn PDF document text
- http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c2c732a04e---53052136622.pdfIn PDF document text
- http://humansharehouse.com/userData/board/file/70151087398.pdfIn PDF document text
- http://vaynhe.com/upload/files/77982303783.pdfIn PDF document text
- http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/88046489779.pdfIn PDF document text
- http://lrm.mcdonalds.ua/ckfinder/userfiles/files/muwoduvilibuvesiw.pdfIn PDF document text
- http://ventexevent.se/uploads/file/koganunevodenopogesibosa.pdfIn PDF document text
- https://artistaone.co/userfiles/files/83051933744.pdfIn PDF document text
- http://charmingcurls.se/upload/file/92229105830.pdfIn PDF document text
- http://yuanyoujie.vip/userfiles/file/kifesiba.pdfIn PDF document text
- http://hotelbasantresidency.com/uploads/51833726929.pdfIn macro / runtime command snippet
- http://uralinteh.com/uploads/files/wurezowoguseruref.pdfIn macro / runtime command snippet
- http://amblesidewindermere.ca/fckuploads/images/file/tarutugegavatabobisuwusow.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/e7f3937053d181f01c30c652386ae101/74667988729.pdfIn PDF document text
- http://soojuspilt.ee/files/file/zaponetovisaboxunaka.pdfIn PDF document text
- http://pattarasawat.com/ckfinder/userfiles/files/45976761497.pdfIn PDF document text
- http://yuanyoujie.vip/uIn macro / runtime command snippet
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=stair+dismount+mod+apkPDF 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_off0000d326.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD326 | 19520 bytes |
SHA-256: d149d55c086cfa50c3fa5803ced76cf74c6295accd3091fa58a5c4ccac9b5e0d |
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font_01_sfnt_off000105f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E0A | 10640 bytes |
SHA-256: c2e2d6bfa2a688717b191f2753df08613526f070d220a28a4c2469fd9f2bf2dd |
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