MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS upload storage and disposable hosting, suggesting a link farm designed to redirect users. The PDF structure and embedded links are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af1c3f192f0---15734425701.pdf
- https://jagominum.com/contents//files/79261409540.pdf
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/5773j8tjhlt4v2k9d6aennmmct/49231872567.pdf
- http://alkanboya.com/files/file///bovixaxedevowutatakiz.pdf
- https://delphin-bau.com/ckfinder/upload/files/xenanat.pdf
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd29d0811e---85923045610.pdf
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a757a04f672---waxaxor.pdf
- http://vietsinphar.com/uploads/files/punabokokog.pdf
- http://rgn2u.com/userfiles/files/rexebab.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/5cd8d75e2f030720164d446987ee94fa/46784624016.pdf
- https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/969c4635b9fa014b36911141a7824b14/dakotureguwutamabusoziwot.pdf
- http://mwflower.com/upimagesfile///23182296073.pdf
- http://honda-vo.com/upload/file/gukex.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/1k9r28k0usrrr4v7v8krgfahfe/levojanafa.pdf
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/m274i46ncodsor47840anffq22/vowujepuwu.pdf
- https://cr2tek.com/userfiles/Proj_Name//files/botagitiviloxuliw.pdf
- https://thetitangroup.ca/wp-content/plugins/super-forms/uploads/php/files/dbd3050e2dd243bd9e3b9fa3b8921c2c/67779931021.pdf
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607caa70048ea---depupuzonagomori.pdf
- http://51-lq.com/userfiles/file///89052847253.pdf
- http://eastcoastbiker.de/sites/default/files/file/nunigedojakegesadiruji.pdf
- http://amoy-art.com/Upload/file/komujibipijemupaweme.pdf
- http://citywideok.com/clients/75789/File/76524013489.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=file_get_contents+php+file
- 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_off0000e5b7.bina4f05b51d43704eec040aa27178c5a2ec5b77b73a358a4033c7c805ff169ccb2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5B7 | 10508 bytes |
font_01_sfnt_off0000fd87.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD87 | 16792 bytes |
font_02_sfnt_off00011599.bin094efa6854ea61f0e83c471db543f6d2aca4b05ec18fb443936b9f19e3201c99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11599 | 17284 bytes |
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