MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file contains numerous links pointing to compromised WordPress sites and other domains, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate a phishing or malware distribution attempt.
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 https://crysiq.ru/uplcv?utm_term=good+absorbers+of+sound
- http://notarbrazda.cz/userfiles/file/tatatalizabimoxewogeme.pdf
- https://parklanehotel.asia/userfiles/file/51514400640.pdf
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609dbad36efd2---gojiwowojowuvimomasadago.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-5-28/20210528130703851775.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/16096311fda984---19962184067.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6e59bc74a---razek.pdf
- http://hncastlecable.com/d/files/lufovotufopizikiponax.pdf
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/eef86f9dbbeb008a3ee2f8150a30d407/59971376314.pdf
- http://chelseacarpet.com/ckfinder/userfiles/uploads/fubuxinufirabomosejupa.pdf
- http://allnatureint.com/userfiles/file/nopetuto.pdf
- https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/820a2f864b8c83671e6ac0a354825ef3/90532566340.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab01c900ad1---fukuvamowolezerekanaba.pdf
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/4383590647253a5c76393f8c42943ccf/21551521049.pdf
- https://bnbcostaverde.it/userfiles/file/64743387964.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877a9f59bc0---36987254781.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096ff66158c4---jozivobaxazukexigegutiv.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/0c908cbe23158c8a47f950dfd4924a00/fefabemeporanovobow.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca6005fdc5---naxazotifamubarufixez.pdf
- http://gingerbreadvillage.org/clients/e/e3/e396b250b60561adcb946853f9f62e29/File/lagogoma.pdf
- https://stvorki.ru/files/file/ketuwuluvipolidu.pdf
- http://brianhaymore.com/images/e/file/62636152247.pdf
- http://tz5168.com/uploadfile/image/2021/05/25/file/20210525_000109_107.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/415jo110cet0r2ai0tpfdd7r86/27116816424.pdf
- http://tbff-bygg.se/img/files/fosaxowafox.pdf
- 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_off0000efdd.binb436850cf8a26bbf13c6c55768c32eda936ba88a0bb5c3a7dc527c12b7c5c422 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDD | 17308 bytes |
font_01_sfnt_off00011ca2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CA2 | 16792 bytes |
font_02_sfnt_off000134b9.binbd99e04fdb1ed17f351f354057793c5d46bfa4c6904c9d6b7633968940495e40 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134B9 | 10388 bytes |
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