MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics indicates it's likely exploiting PDF vulnerabilities or using embedded scripts to facilitate this redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://philabc.ru/uplcv?utm_term=management+a+practical+introduction+7th+edition+pdf
- https://ebooksweb.net/files/file/sazewupazotexaxoti.pdf
- http://klhl.com/userfiles/file/difenobubixu.pdf
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/26497a5563cd01fa56f204c43fc168af/66067542904.pdf
- https://elicopter-de-inchiriat.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609c6e24de27a---91409448669.pdf
- http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6c321ab83---56265061760.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160cec9dd879f2---litelido.pdf
- http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d40a97cd339---91421988876.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0afbf023f1---mavutonatab.pdf
- http://ideatity.com/ckfinder/userfiles/files/kewemalikex.pdf
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607d2402ca720---xenonit.pdf
- http://cdkkck.com/uploadfile/file/20210608090516.pdf
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/f6d26d5773a181c1fe7695c03cc4a6b4/surubifapeneduwew.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5cfa24303---75416444216.pdf
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/d8966858742296df3e946903c8fa4e41/25148828119.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/62f8a6d40dd8f1a720fa249c62c0d3d6/pezevafuf.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/koh1kunrjocg2lkomcfdsaprc5/20866742176.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a84910b7c---kurimivozosareloxum.pdf
- https://tenshinorchids.com/FCKeditor_upload/file/kuzalojed.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6bcfa09ff---tokugolitefokelavudejiz.pdf
- http://asirakademi.com/resimler/files/98264861112.pdf
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/glq6nroj7mqdnoffketlsbmldm/jiturezelevixe.pdf
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16084a167dd6b1---vojavit.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/1e3u5nb1mtann932c2hik2aqb6/29574041955.pdf
- http://446888.top/userfiles/file/xabazox.pdf
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/mvi5n9flnseajka4sn908u7jqp/73261228168.pdf
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/0224c07b1a6635fd033fb3efd3f0565c/vebofaxadasafovofij.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d07f1c6a01a.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_off0000daea.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAEA | 16792 bytes |
font_01_sfnt_off0000f2fc.binb8f04afaf6bc53ba81445b6b9ce28f0c2d6010332e02c1ad4b3fdcc453163e48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FC | 17100 bytes |
font_02_sfnt_off00011f7c.bin797c6498891021e97d197cd708cd0c5f2083f9136e40c9491276a0a303f4d1ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F7C | 11044 bytes |
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