MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and is flagged as a link farm on disposable hosting, indicating a phishing or malware distribution attempt. The presence of 'cMd' in the document text suggests an attempt to execute commands, likely to download and execute a second-stage payload from one of the embedded URLs. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://drafthe.ru/uplcv?utm_term=gta+5+money+cheat+on+ps4+online PDF link annotation
- https://bahispesinde.com/gnc/veri/_files/pumupunowuwinigumapewiwuv.pdfIn PDF document text
- http://wordtmann.beckbauer.eu/ckfinder/userfiles/files/donawuxununa.pdfIn macro / runtime command snippet
- https://amd-export.com/site/upload/file/35599325127.pdfIn PDF document text
- https://conexusinternational.com/ckfinder/userfiles/file/76401688819.pdfIn PDF document text
- https://dp-silver.com/userfiles/file/51588613705.pdfIn PDF document text
- https://hotelmitrutarija.com/uploaded/files/13436621433.pdfIn PDF document text
- https://sabagdasarov.ru/upload/file/tazituravomigeg.pdfIn PDF document text
- https://www.cygnusdvlp.in/nitdurgapur/uploads/editorUploads/userfiles/files/82542222348.pdfIn PDF document text
- http://tnslib.net/userfiles/files/27278200865.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161336810d6275---dewopimexasexetabi.pdfIn PDF document text
- http://flightshop.jp/images/blog/file/98390460297.pdfIn PDF document text
- http://huanghels.com/filespath/files/20210914051024.pdfIn PDF document text
- http://nprofit.hk/userfiles/97631067325.pdfIn PDF document text
- http://bioaec.com/userfiles/files/fixaguxupuwiwodipuma.pdfIn PDF document text
- http://www.its-dph.cz/admin/fckeditor/editor/userfiles/file/zepixasun.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/76475802027.pdfIn PDF document text
- https://fond.ru/userfiles/file/52597809112.pdfIn PDF document text
- https://ski-valloire.com/ckfinder/userfiles/files/wexorefuwawileronutamogaf.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614351f080ee3---46629744697.pdfIn PDF document text
- http://hangnhatbanonline.com/upload/files/52609105036.pdfIn PDF document text
- https://quangcaomattroi.com/uploads/news_file/43594799434.pdfIn PDF document text
- 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_off0000b1b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c9c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9C9 | 10904 bytes |
SHA-256: 06a90722fc7b36f6269c1349d8c43e90920a508572e7530f06a7523dccef48b2 |
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font_02_sfnt_off0000e2f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2F6 | 14540 bytes |
SHA-256: 7c9bf9b9ced8f0b7a4d68dfd55d2f051080047fa5f3ea0981a4a4b4f43e30051 |
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