MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a link farm pointing to multiple compromised CMS upload locations, suggesting a phishing or redirection scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/4cbf8953ef456142d75b2cc996783f5c/34846113808.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c3091bbe7a4---xejus.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a880ef17778---5327227828.pdf
- http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/1kl4dionn24sabim35svstf8kn/1446718176.pdf
- http://adveotec.com/img/file/88553983612.pdf
- https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/ohdaggpl5uv7eqgm2mapeh8991/lukonipaxofisujub.pdf
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160757c387dcb8---maxegufibulirux.pdf
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606e4c557412e---92127648459.pdf
- http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a87bc97b7---93567925627.pdf
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609cb40c7f647---xinutisus.pdf
- http://amandamaitland.com/images/file/36917843462.pdf
- http://sarlampa.ru/upload_picture/21098108041.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed9a40dfdf---78245891308.pdf
- http://aelma.com/sites/default/userfiles/file/18243073093.pdf
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608820b4232ff---41868319332.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/b2f8f5ddc13004ed8218560e1cc20e02/89469051901.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/f1c905c2679ea971d4c2899a751db4d2/2634604247.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baa3967d51a---69295133873.pdf
- http://www.bufolari.com/public/immagini/file/60177504391.pdf
- http://myboydfamily.com/clients/7/7f/7f513a2250c12de81a70a6735749c289/File/18098385101.pdf
- http://brandweeramsterdamamstellanden.nl/userfiles/file/jaselozapu.pdf
- http://bioterapiazabiegi.pl/obrazy/file/refilif.pdf
- http://hakkabrothers.com/userfiles/file///lopijikixuxakano.pdf
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/151a90ef5997841da07717557f680475/kokel.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=4+pst+to+cst
- 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_off0000fbe2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE2 | 16792 bytes |
font_01_sfnt_off000113f8.bin7b302eae1f25711a9fca878375546ccbf858317aec25b55f693a50ad475c6f68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113F8 | 9712 bytes |
font_02_sfnt_off00012945.bina0514b600fdcf4336319b658aeefd43de530461859c2e264ac1c2153f9d6921c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12945 | 17932 bytes |
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