MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating it likely contains a malicious payload. The presence of embedded JavaScript and a heuristic firing for security bypass instructions suggests an attempt to trick the user into disabling security measures. The document body is heavily obfuscated, but the heuristics point towards a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://leicesterbiketec.com/userfiles/file/67727199190.pdf In PDF document text
- https://rawoctane.com/uploads/file/sotiselalupokiravu.pdfIn PDF document text
- https://aquaprosmart.com/userfiles/files/97503100845.pdfIn PDF document text
- http://nathulaldasptti.com/ckeditor/ckfinder/userfiles/files/69836246612.pdfIn PDF document text
- https://educationindiajournal.org/ckfinder/userfiles/files/vufulivosopivijinufivewu.pdfIn PDF document text
- http://lotusromeo.fr/app/webroot/files/userfiles/files/86636976744.pdfIn PDF document text
- http://jandebruijn.com/uploadimages/files/47398644150.pdfIn PDF document text
- https://lawina-radom.pl/files/file/lafovujinetivusisinemug.pdfIn PDF document text
- http://vitrine-prof.com/files/totatulufitufagasedusafe.pdfIn PDF document text
- http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/79782761268.pdfIn PDF document text
- http://maszyny.pl/userfiles/file/84516488802.pdfIn PDF document text
- https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/zewukumosapaj.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138490513596---73631191585.pdfIn PDF document text
- https://giltmorestukko.hu/ckfinder/userfiles/files/kovare.pdfIn PDF document text
- http://furniture83.com/upload/files/wates.pdfIn PDF document text
- http://gaziogluenerji.com/images_upload/files/xorone.pdfIn PDF document text
- http://dezmaster.com/userfiles/file/korubemilifuxovas.pdfIn PDF document text
- http://alhambra.kopanramen.com/uploads/files/58393505363.pdfIn PDF document text
- https://reha.bg/content/upload/file/nakatolibeselijad.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137dd024de2f---pedoxavesefatuwovijuwu.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/40911906409.pdfIn PDF document text
- http://alconsprom.ru/ckfinder/userfiles/files/21604272321.pdfIn PDF document text
- http://plkorea77.com/ckupload/files/12701246805.pdfIn PDF document text
- https://okinawa4d.com/contents/files/48268336109.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/78564522640.pdfIn PDF document text
- http://inercial.es/uploads/files/5391937599.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=prince+of+persia+warrior+within+setup+download+for+pcPDF 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_off0000de60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE60 | 10904 bytes |
SHA-256: 812518340bae7eb80dc1e8ddb07a4e521d56c876abe8a9d983ec0c0fc6b081d4 |
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font_01_sfnt_off0000f795.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF795 | 18272 bytes |
SHA-256: 96961b704104f81a805d391b6152aa6624ed7f65dd6470d1b1cd9b1c87f5155b |
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font_02_sfnt_off0001268a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1268A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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