MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that form a link farm, directing users to potentially compromised or malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links, suggesting an attempt to obscure the true destination or evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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://vibangthuaphatlai.net/uploads/files/rapiwosanakavevakoxakof.pdf In PDF document text
- http://svadbavmoskve.com/content/xuploadimages/file/waxixofejezide.pdfIn PDF document text
- http://xahscw.com/userfiles/file/sevoderubofimowupevedajuf.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613011bfb44ce---poles.pdfIn PDF document text
- https://ewdel.cz/ckfinder/userfiles/files/digiwelududifola.pdfIn PDF document text
- http://papinchess.ru/userfiles/file/32000162203.pdfIn PDF document text
- http://ancheng-medical.com/uploadfile/files/renorufidodulula.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5b8f84871---67429072411.pdfIn PDF document text
- https://astoraccessories.com/uploads/ckfinder/files/dijagarenedafado.pdfIn PDF document text
- https://alzubidi.com/userfiles/files/jonasorulesetonip.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/2abcd36293077a2ee827b31cf4359efa/jezuzunudop.pdfIn PDF document text
- http://baozhaopharm.com/upload/files/95237934871.pdfIn PDF document text
- http://uteambio.com/upload/files/roxojemomasilodeg.pdfIn PDF document text
- http://kossuthdigisuli.hu/userfiles/file/wixan.pdfIn PDF document text
- http://patrick-vallot.com/upload/files/27832561738.pdfIn PDF document text
- http://sten.kr/club/data/userfiles/file/20210906193521.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614957a5352c6---tawuleb.pdfIn PDF document text
- http://fence-alarm.com/userfiles/files/54692511560.pdfIn PDF document text
- http://thesciencenetwork.org/uploads/files/69491088309.pdfIn PDF document text
- http://erictex.com/ufiles/files/9646851775.pdfIn PDF document text
- http://www.pes.edu.mn/ckfinder/userfiles/files/zafawi.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613a46206714c---15873000274.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=roblox+generator+for+freePDF 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_off0000e5db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5DB | 10416 bytes |
SHA-256: 76de0fc293c87954999b78435bea8387bf36ba051336acbdcea3332982fb323e |
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font_01_sfnt_off0000fda8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDA8 | 17996 bytes |
SHA-256: ee936cb48f5e8cd4f8778092cc97979e71c542345ce33bb1eb74efc0a17f09ea |
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font_02_sfnt_off00012c02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C02 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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