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. Heuristics identified it as a link farm hosted on compromised CMS upload directories, suggesting it's designed to redirect users to malicious sites. The presence of multiple unknown URLs further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e1744a0c0c---96637258726.pdf
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/slr04s06s7jk6027tl92j0oh1o/burixaromuwumozoligotebos.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c3000e91c8---jopazavukorazumipegokuzu.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/b0f6e003a2db71cbd09809110c2419e4/99185444879.pdf
- https://rkdestate.com/userfiles/file/19643736394.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160724f4b9a56c---judemenatokutu.pdf
- https://www.movingwithmagna.com/wp-content/plugins/super-forms/uploads/php/files/1c52da7fbf5ddd48d9e19da213c3f33f/20552400962.pdf
- http://kompletucetnictvi.cz/files/file/2581055397.pdf
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/0hqknqs4l1d57ji4bh0u95cvr0/17978867682.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16085c9c96c69c---dolapaxob.pdf
- https://amiablediamonds.com/wp-content/plugins/super-forms/uploads/php/files/a9966c48893ace931e4438b15940d39e/98937300811.pdf
- https://larrialdiak.es/files/galeria/files/vugabokinejarovavowuxofe.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/l3foglk2gcrf1kqqmvlc1u30f5/23490611057.pdf
- https://afayl.com/userfiles/file/doforebezonurikaweb.pdf
- https://adbadog.com/wp-content/plugins/super-forms/uploads/php/files/39082edd03456333159405c851d950db/tizawezanurexopu.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-7/20210507153502659453.pdf
- https://ratco-hardware.com/Ups/files/55138239883.pdf
- https://bistakalikotenetwork.com/userfiles/file/zawaboludukurusedama.pdf
- http://danieldesignpro.com/userfiles/92654228691.pdf
- https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/dd5c95e4d608e108f6831b80e968df73/56163687425.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/94359666300596d6ca010586d9f9ef65/23270992619.pdf
- http://studiorinaldibedin.eu/userfiles/files/14517157374.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=translate+pdf+from+english+to+spanish+free
- 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_off00010a60.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A60 | 16792 bytes |
font_01_sfnt_off00012277.bin4ce222e718365bdd278f63449f0b6af43648119458181918758de58db89b714b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12277 | 10908 bytes |
font_02_sfnt_off00013b40.bin326cae160c50c42c2e95cae942117e0a9dfb8246963c43d7f8e8b662ad965f0f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B40 | 17296 bytes |
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