MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous external links, many pointing to compromised CMS uploads or disposable domains, indicating a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 7
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://pixomot.ru/uplcv?utm_term=au+sable+meaning
- http://tobn56.com/UpFiles/file/guturopibowat.pdf
- http://nail-free.com/ckfinder/userfiles/files/wofibodidofarude.pdf
- https://gangwontaxi.com/FileData/ckfinder/files/20210926_36C66C5E016D07E1.pdf
- http://gwardiajuvenia.pl/zdjecia/fck/file/belil.pdf
- http://smartpaintingplus.com/userfiles/files/sewokojaza.pdf
- http://www.bash.cl/media/file/38382620760.pdf
- http://demkapi.com/resimler/files/80704876370.pdf
- http://phutungquanghieu.com/app/webroot/files/ckfinder/files/gisowisuzujoponamun.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/ph9k8tf62c3808bbbscfvcc4a1/97586345408.pdf
- http://jamalcar.com/userfiles/file/51876536954.pdf
- http://firewheels.pe/userfiles/file/61475373332.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16155f395db55d---fupibonovavizatovomap.pdf
- http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/vukakuboj.pdf
- https://macauroommate.com/ckfinder/userfiles/files/8544136490.pdf
- http://paglialonga.it/userfiles/files/muponalogefagura.pdf
- http://trustycctv.com/ckfinder/userfiles/files/kokulevawivubopalulawe.pdf
- http://crabandclaw.com/uploads/files/37482338774.pdf
- https://implant-drill.com/userfiles/file/41964455528.pdf
- http://custom-mugs-factory.com/uploadfile/files/36507343013.pdf
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/79ab2f3c2f32ab9ff66e3f23a47307d8/99225122777.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bc3dfb46e2---61965872689.pdf
- http://www.ez4parcel.net/upfile/files/2021/09/16/zexal.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_off0000ae98.binb118121c2989f08c5204e525bf94ea290c98c2cc3d996b18285b3a80582d9ae2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE98 | 10352 bytes |
font_01_sfnt_off0000c5ea.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5EA | 16792 bytes |
font_02_sfnt_off0000ddfc.bind4db6fc26f3abb213fa15ca470aba3c5d123884e22e5a516675f395a9b617ada |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDFC | 16496 bytes |
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