MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. The 'SE_CLICKFIX' heuristic suggests the document is designed to socially engineer the user into executing a command, likely by presenting a fake error or prompt. While no scripts were directly extracted, the presence of numerous external URLs, many pointing to PDF files hosted on potentially compromised websites, suggests a downloader or redirector pattern. The document's structure and embedded URLs are consistent with a phishing campaign aiming to deliver a secondary payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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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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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://benthanhsgfarm.net/images/uploads/files/21089735259.pdf In PDF document text
- https://ohcsi.com/ckfinder/userfiles/files/46326419993.pdfIn PDF document text
- https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/ti9i4cufke7o9uq3pt53dq6142/jejifizag.pdfIn PDF document text
- http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/badukoxovilu.pdfIn PDF document text
- https://youxsoft.com/uploads/files/jasimefovapivexabifi.pdfIn PDF document text
- http://agnieszkapawlik.com/userfiles/file/65062969808.pdfIn PDF document text
- http://kmkonsult.cz/userfiles/file/26998122942.pdfIn PDF document text
- https://robert-zauer.cz/userfiles/file/14150544831.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614077ebf3b47---69384182206.pdfIn PDF document text
- http://we-women.de/default/files/uploads/file/bonapidu.pdfIn PDF document text
- http://a1-automotivegroup.com/upload/files/menemuvobopovukedadel.pdfIn PDF document text
- http://taemyung.com/data/upload/file/14224406096.pdfIn PDF document text
- http://ricettebiagi.it/uploads/assets/file/karegopolaxeb.pdfIn PDF document text
- https://phongkhamtamthan.net/uploadeditor/files/82666914496.pdfIn PDF document text
- http://eugensa.lt/app/webroot/uploads/userfiles/files/kiriz.pdfIn PDF document text
- https://nepalipublisher.com/ckfinder/userfiles/files/venataramozotulir.pdfIn PDF document text
- https://altstudio.be/app/webroot/uploads/file/tobalivenexetebujamepogo.pdfIn PDF document text
- https://netcsemege.elelmiszer-hazhozszallitas.hu/ckfinder/userfiles/files/15218927945.pdfIn PDF document text
- https://floridagreatescape.com/media/file/galeput.pdfIn PDF document text
- http://relaxzenter.com/uploads/files/21478620719.pdfIn PDF document text
- https://alkathirilaw.com/userfiles/files/vexikelor.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+debug+usb+with+broken+screenPDF link annotation
- http://forum-auto.ru/data/files/fagabivosifivezadigigi.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_off0000d66d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD66D | 10852 bytes |
SHA-256: 78f11a99d8d70d1e7fd94d8df6c13437ad690373e103667cfca583cb8c9d3adc |
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font_01_sfnt_off0000ef38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF38 | 18164 bytes |
SHA-256: 1f0955239fc2cfaa2d00d3b12a5ad2902f3e4fc3caef37c29582c69275adcf9c |
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font_02_sfnt_off00011e5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E5E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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