MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, indicating it likely contains exploit code. It functions as a link farm, directing users to numerous websites hosted on compromised CMS platforms and disposable domains. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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 http://www.hangmandigital.com/files/file/14827472644.pdf
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/4ulrshpad30ucv19j63fq0kh5l/50563716696.pdf
- https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/20c29c0d5cc0ed3fa0f2e9e82d843e55/76904630663.pdf
- http://bannermaul.com/userData/board/file/norodefuz.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16076028f0fca1---xagaxavod.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095af7fdf59a---xebanajemoj.pdf
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1607bddf04eb02---33379507729.pdf
- http://absolutelyneon.com/userfiles/file/kobukopu.pdf
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/221d723f45e03cd65c9aab7e8700e812/23718330296.pdf
- https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/6a5e3486d4afd3b8e6f818d6968948dc/zanupokevogusijodanenas.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/9a37d0033c9ce221ad159d6f9b2af5f7/98676224372.pdf
- https://cambodiadriverservice.com/userfiles/file/zobexigenavekuz.pdf
- http://naturallymine-chicago.com/clients/867610/File/65146911959.pdf
- http://mariopresto.pl/userfiles/file/tixizoxorelemoj.pdf
- http://ramenzoni.eu/userfiles/files/pugapinamek.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083fd3557b27---71674924803.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/ea2419dc69016938d0b4e4b046c3b647/neraxela.pdf
- http://agendatourvietnam.com/hinhanh/file/571180390.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16084ee4870c96---87770253667.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/824a43f58efce93f62b905d17a307a87/32869734286.pdf
- http://deltastal.ru/userfiles/file/25472124150.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609841000e0a4---sujuvabolizujidok.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837ae5809af---34147691667.pdf
- https://asharfilalkulfi.com/ckfinder/userfiles/files/38941864108.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=edwards+fire+panel+manual
- 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_off0001d649.bina5e9d3d975e6512fc026394e1a638e9eeff9bb7cd76b0a0e9833ea08f71ab799 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D649 | 19052 bytes |
font_01_sfnt_off00020873.bin1108e120abdf8f8d4169edacc67f76f233e60749b3b94e4dc20fa2afcbe728e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20873 | 10612 bytes |
font_02_sfnt_off000220a6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x220A6 | 16792 bytes |
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