MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains multiple embedded URLs and a link farm, indicating a phishing or redirection attempt. The 'SE_CLICKFIX' heuristic strongly suggests social engineering to trick the user into running a command, likely to download and execute a secondary payload. The ML classifier and ClamAV detection further support its malicious nature. While no explicit script was extracted, the document body's structure and the heuristics point towards a malicious PDF designed for initial compromise.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 8
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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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ClickFix social engineering attack high SE_CLICKFIXDocument instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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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://www.weboonline.com/ckfinder/userfiles/files/mizov.pdf In PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/02fca0850ff25dc6a2b6d6957dbeec5a/gokifiliwakimabojo.pdfIn PDF document text
- https://manenshop.com/upload/files/93023320349.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/7p3dlqg52mk08ikrg2dr9m3iqt/masexebefaziraluzisozafo.pdfIn PDF document text
- http://xy-interior.com/uploads/files/202109152330439721.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d8d3c6e31---jozuzotafaxajofuxixil.pdfIn PDF document text
- http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/8245790949.pdfIn PDF document text
- http://supermarketdv.ru/files/file/54659980490.pdfIn PDF document text
- http://maschimaurizio.it/userfiles/files/sadonas.pdfIn PDF document text
- http://eyela.kr/uploadfile/fckeditor/file/fuxujigib.pdfIn PDF document text
- http://playoz.com/ckfinder/userfiles/files/64850417708.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613dedef505d2---25111070867.pdfIn PDF document text
- http://cutskytools.com/d/files/50521734600.pdfIn PDF document text
- https://legyenegyjonapod.hu/userfiles/files/zopojososujiz.pdfIn PDF document text
- http://vendsol.com/userfiles/file/sodom.pdfIn PDF document text
- https://birutelorasin.com/contents/files/fefivezokoxovewozeli.pdfIn PDF document text
- https://hoongnau.com/upload/files/pufikujitolezebameduxeju.pdfIn PDF document text
- http://charmingcurls.se/upload/file/tiduwaf.pdfIn PDF document text
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1613c372b6a202---30830531953.pdfIn PDF document text
- http://fratellibeninca.com/images/file/52310645290.pdfIn macro / runtime command snippet
- http://chromowane.com/userfiles/file/wajeb.pdfIn PDF document text
- http://ibrahimabuomira.com/ckeditor/ckfinder/userfiles/files/79126551930.pdfIn PDF document text
- http://otoform.com/upload/ckfinder/files/fikizavomitosagu.pdfIn PDF document text
- http://gamaxmotor.cz/data/dokumenty/93081123894.pdfIn PDF document text
- https://elmawadah.com/userfiles/file/2234930742.pdfIn PDF document text
- https://globaldreamindia.com/webcms/file/dozigeji.pdfIn PDF document text
- http://www.kocay.com.tr/wp-In macro / runtime command snippet
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=camera+being+used+by+another+application+androidPDF 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_off0000c7ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7CA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dfe1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFE1 | 11344 bytes |
SHA-256: c7d39b7232b67b0e285e465fe50ac0657fcb8f24bba82ad31b27b93b43f59db4 |
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font_02_sfnt_off0000f9f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9F8 | 17756 bytes |
SHA-256: b0ff56448b269843a3d3f0e17776069946ec130f378f36d70de1513818dd2023 |
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