MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojanized document. It contains numerous embedded URLs pointing to external resources, many of which are structured to appear as file downloads. The heuristic 'SE_LOLBIN_RUN_COMMAND' suggests the document text may contain sequences that mimic command-line execution, further supporting a malicious intent to trick users into downloading files. No scripts were extracted, but the overall structure and URL distribution strongly suggest a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://coretry.ru/uplcv?utm_term=download+wo+mic+for+android PDF link annotation
- http://www.tecnobor.com/ckfinder/userfiles/files/zuzodovisub.pdfIn PDF document text
- http://charmingcurls.se/upload/file/puwulufikofexoxenen.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/xifosegoratewedaf.pdfIn PDF document text
- https://happycolaborativo.com/uploads/files/bodon.pdfIn macro / runtime command snippet
- http://ageddfjtj.pretty-match.com/upload/files/julikeborokepilifat.pdfIn PDF document text
- http://dh-cell.net/ckfinder/userfiles/files/rikuw.pdfIn PDF document text
- http://sisparts.pl/zdjecia/fck/file/1682140625.pdfIn PDF document text
- https://stmpallet.com/ckfinder/userfiles/files/givozugar.pdfIn PDF document text
- https://factorysales.com/userfiles/files/ronopawuwifadiwu.pdfIn PDF document text
- https://susta.vn/userfiles/file/8378584245.pdfIn PDF document text
- http://01host.ru/userfiles/files/75563750897.pdfIn PDF document text
- http://miryangpension.com/FileData/ckfinder/files/20210906_0C572F0F34C1B443.pdfIn PDF document text
- http://synphabase.ch/upload/file/wajut.pdfIn PDF document text
- https://www.terraton.com.my/ckfinder/userfiles/files/regomip.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136bf758b6dc---kejewidoruxebapujejo.pdfIn PDF document text
- http://maryalo.com/userData/board/file/nuvupewewe.pdfIn PDF document text
- https://floridainvestment.cz/files/file/5838568184.pdfIn PDF document text
- https://aquaprosmart.com/userfiles/files/tulutopogu.pdfIn PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/zelitevunixovajukivese.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/15842924337.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613005f572b93---dinekegegokixetu.pdfIn PDF document text
- http://soluzionebenessere.eu/userfiles/files/2192861470.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_off0000e6ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6ED | 20972 bytes |
SHA-256: 279692b57c00f61642e89a2af0f7294264083bfd5a59cc1f84feb27c429cc627 |
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font_01_sfnt_off00011d1b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D1B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013532.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13532 | 10328 bytes |
SHA-256: 15f3fc135de37b4afbb44a1d467b8e55820accfa134295c3ead8518fab501099 |
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