MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains a large number of embedded URLs, many pointing to unknown domains, suggesting a link farm designed to redirect users to malicious content. The heuristic 'SE_LOLBIN_RUN_COMMAND' also indicates potential execution of commands, possibly via embedded scripts, although no specific script content was extracted.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://bakineshr.az/ckfinder/userfiles/files/toputipobogek.pdf In PDF document text
- http://3t-t.com/User_File/UpFile/file/20210917054756_eml2ZWRhYnVqZQ==.pdfIn PDF document text
- http://asja-doll.ru/userfiles/file/xuwuj.pdfIn PDF document text
- http://perfekt-dom.pl/designhome/admin/userfiles/file/bujewi.pdfIn PDF document text
- http://01host.ru/userfiles/files/76877855450.pdfIn PDF document text
- https://kingwaterpure.com/ckfinder/userfiles/files/tedumun.pdfIn PDF document text
- http://xn--hy1bt45apoap01a.net/jangheung/userfiles/file/22081238723.pdfIn PDF document text
- http://chronocertif.com/userfiles/file/61181192108.pdfIn PDF document text
- http://mariondhuique-mayer.com/data/file/12361755293.pdfIn PDF document text
- https://nulifeus.com/~nulife/userfiles/file/59013507465.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///wupenakanopoposisoruzata.pdfIn PDF document text
- http://kaitosushisb.com/uploads/files/84700198642.pdfIn PDF document text
- http://meadescafe.com/userfiles/file/17883202276.pdfIn PDF document text
- http://indagosrl.it/userfiles/files/sufefibi.pdfIn PDF document text
- http://woodwaysindia.com/uploads/widov.pdfIn PDF document text
- http://joltiy.ru/uploads/files/baxezasoxujow.pdfIn PDF document text
- https://belitour.ir/basefile/belitourir/files/89669886096.pdfIn PDF document text
- http://andersonlawdecorah.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/84337259072.pdfIn PDF document text
- http://gulfcoastlist.com/userfiles/file/83911780153.pdfIn PDF document text
- http://masan315.net/board/imagefile/file/nunaber.pdfIn PDF document text
- https://funbugs.ie/files/file/89998025997.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16134d7b150e6a---vevawu.pdfIn PDF document text
- http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95649641494.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+install+android+app+on+pc+windows+10PDF 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_off0000db88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB88 | 10624 bytes |
SHA-256: 02d34da852358458bcb49d8b5ed5d9d16aaaf4274f122f5c1e292e78dc7e281d |
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font_01_sfnt_off0000f3fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C0F | 19288 bytes |
SHA-256: 2d22753d644f8e2bbd2d82e4b652ab799d99fe6b5998f4ea47855dd7ca95b23b |
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