MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to compromised WordPress sites and other potentially malicious URLs. The presence of 'cmd/kovuxetokinakapurifalopij.pdf' in the document text suggests an attempt to execute commands or exploit vulnerabilities, likely related to the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 7
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://oniceh.ru/uplcv?utm_term=words+with+qis+at+the+end
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/g923jdtf6a723jflo20r7dgdil/wavupivilu.pdf
- https://goooinggroup.com/userfiles/files/20210702_073420.pdf
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/72965203939.pdf
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/9gb75rn1clo64j46c3402sacmd/kovuxetokinakapurifalopij.pdf
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/160abe561562f8---60391438168.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/7r392t3tslvmt9lobaoi9s1mdh/14192625961.pdf
- https://tasleemdubai.com/userfiles/files/jepaniwudunalomixaxiten.pdf
- https://ikima.fr/uploads/file/lerokinevivenuxogitoxono.pdf
- http://files.ibiza-ferien.de/file/lavubotibar.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1606da2b7f3288---31440995209.pdf
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f681807ee---dakelelipuworazawewipinek.pdf
- http://ajtoablakcentrum.com/_user/file/bifusolalenufowenan.pdf
- https://hostessima.pl/userfiles/file/41677974289.pdf
- http://acupunctuuryao.nl/ckfinder/userfiles/files/86255257285.pdf
- https://beautyreviveshop.com/newerac2c/userfiles/file/28810814367.pdf
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608c745f7b6a6---1433577601.pdf
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c852e208dbc---58346845249.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/asnca93tm6740qj65cn05h3ts2/moramumeziwifevogin.pdf
- http://meble-tk.pl/userfiles/file/3561267179.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160a667aabd386---95099988822.pdf
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608acecba90c3---22463891549.pdf
- http://www.festivalmarrake
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c66e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC66E | 16792 bytes |
font_01_sfnt_off0000de85.bin1976f26467619e152f4466848a8d5d924a5d2d20aab14c1c7e61b71c42b6953c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE85 | 10524 bytes |
font_02_sfnt_off0000f642.bin519d28155628c03792893848f1dd9e3bb8c36ceae084b9a7f9e884d9cd17b511 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF642 | 16852 bytes |
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