MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised WordPress sites and disposable hosting. These links likely serve as a lure to redirect users to malicious content or phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/bed953cfe5b51413ece668964eab7f73/genunuxagajuxevopapewafem.pdf
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/a96b196d59bf0d1a705274e35afe8c9e/bemixegap.pdf
- https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/8562ep4cft8onhqrdh6steohug/zosasivavuzavaze.pdf
- http://arunimaflavours.com/userfiles/file/rarezabepato.pdf
- http://thegrcinstitute.org/app/webroot/js/ckfinder/userfiles/files/5489911113.pdf
- http://k-yoga.org/file_upload/spaw_upload/file/20210506104656.pdf
- https://stef-nancy.fr/upload/document/kuranuzulewojez.pdf
- https://marblobaths.com/app/webroot/img/files/18011487787.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/b91d5698e02c2323d085974a5e8228ed/kotiresegumiri.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16079981c8da7f---kurasilife.pdf
- http://women-for-marriage.com/ckfinder/userfiles/files/datijivinikikaxad.pdf
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/16070b2bccb3b8---95587302847.pdf
- https://www.conkite.com/wp-content/plugins/super-forms/uploads/php/files/de9c370388f501289f39c38f779907d3/5679617387.pdf
- http://446888.top/userfiles/file/rikibexututilulibibukada.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a495be042---firizabolaxikulogimore.pdf
- http://orhs89reunion.com/clients/77823/File/4146649350.pdf
- https://k-barrierfree.com/FileData/ckfinder/files/20210619_5C3C809418C2F309.pdf
- http://utuin.net/files/fckeditor/file/78694888530.pdf
- https://alajuusa.ee/media/contents/file/rinidasomomamunazos.pdf
- https://seedomoretravel.com/files/files/mesovaxetuwurin.pdf
- http://bronia.org/userfiles/file/34343089810.pdf
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092b48ae4b20---41137823331.pdf
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609ed1c3d4cb8---76889135883.pdf
- https://transport-vehicules.fr/userfiles/file/salowizubafitagosuxe.pdf
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/951bc3b90b45069c5469e6689878fd66/97433764500.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=handbook+of+fractures+6th+edition+pdf+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_off0000e987.bin51f37e54ceb79b55618ed6a3c5a4f75ef20a2f22cf539b2bac42038db77dfbca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE987 | 17000 bytes |
font_01_sfnt_off000115e7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115E7 | 16792 bytes |
font_02_sfnt_off00012dfe.bin253f6a2519a87f707c92a3dd44477acb96b595957d08757e1c4bef382e7ae1b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DFE | 11164 bytes |
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