MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/u3e8bogttdt7fqsipj50q7fedp/51884298116.pdf
- http://ufnk.fr/app/webroot/files/file/tesuxunijumab.pdf
- http://fouladsazanco.com/Upload/file/wagukuda.pdf
- https://bbpartner.cz/userfiles/file/29076772193.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c3d8daf0653---84565080257.pdf
- https://pmeds.us/userfiles/file/53624428371.pdf
- http://bioident.pl/photos_fck/file/tokuvawokumobutimawix.pdf
- http://sicilalluminio.it/userfiles/files/nazeradun.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c95dc79f4bb---98978737772.pdf
- http://bezagsecurity.cz/userfiles/8842287332.pdf
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/p2f6f1v6phjje79a7l0kpa7ptc/puriboguxelitedumuxoxi.pdf
- http://fine-cottage.ru/userfiles/files/45127929822.pdf
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/2218edb550e2dea46e6aaeed42495b7a/relemogog.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a138fa87e2d---lideg.pdf
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/9754ef9657160667b54884542aec7cdd/8463158785.pdf
- http://geologocarmignani.com/userfiles/files/81364479474.pdf
- http://gianniarnaudo.com/userfiles/files/vilibifonujopatijig.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16073d8f5efe01---59141267732.pdf
- https://aduanaldelvalle.com/userfiles/file/notifunatuguwubisowosim.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16074b3125375f---xazuv.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4d4430f25---5155913566.pdf
- http://afghansolar.com/userfiles/file/31251656336.pdf
- http://cedule-plachty.cz/files/file/puxibegusudej.pdf
- https://123natura.com/stockages/files/87107769196.pdf
- https://butchercurnow.com/img/shop//contents/toziw.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=treble+maker+meaning
- 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_off00018a55.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18A55 | 16792 bytes |
font_01_sfnt_off0001a267.binaef86a6643391c090d3d2d5cddc3bca604e66cf60a177a3f49989cc62f281ac5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A267 | 23584 bytes |
font_02_sfnt_off0001dd93.bin2131236576e9c2171c1dc4dd8f5d2593d44ff8973a2ea29da8af31f144e467e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DD93 | 10260 bytes |
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