MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The document contains numerous embedded URLs pointing to various websites, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URI heuristics and the 'PDF_SEO_DISPOSABLE_LINK_FARM' finding strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://krisoc.ru/uplcv?utm_term=rotary+egg+beater+kitchen+tools
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/100cb698dd7b8277eb5876a445288761/43794687805.pdf
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160c4203d1bc8b---97943335614.pdf
- http://www.herbertvanderbrugghen.nl/draft/14987756392.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2d818eda2e---65299743726.pdf
- http://bearings-home.com/userfiles/file/ravagadezagudurawodizome.pdf
- http://sy-smile.com/upload/files/xekofeveluza.pdf
- http://harchovyk.com/userfiles/file/goxexolafaduwunawun.pdf
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/pcql2qq647e54agl9ncktl3jd8/wuvofoveravurukij.pdf
- https://aftaplan.com/works/peepsparty/html/upload_files/file/55793829643.pdf
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071f4f929f8a---90535073189.pdf
- http://fullcolorspandoeken.nl/userfiles/file/57287323404.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a196d0aed31---12657520128.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/cb828e6789df6f325a4627f2596c1a7d/80214813768.pdf
- http://flygarfield.net/userfiles/file/72134172454.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16075b9fe8f6b0---26841418520.pdf
- http://metallpress.info/files/xawusolopetazodekupojifu.pdf
- http://skrabl.pl/www/rpbd/fck/file/16648399816.pdf
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/c0p0gn07r3v33c03fjfhp4kt12/jekivojinatekazilajek.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0be740038---kuwipanuwusevametiw.pdf
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16082f62a44381---lidebafuwe.pdf
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/6060a9a6b283d28db98a4aea47585340/18641087950.pdf
- http://pnktools-th.org/ckfinder/userfiles/files/28712118089.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_off00010ace.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ACE | 16792 bytes |
font_01_sfnt_off000122e0.bin92a92ea6910b178701fd321fbc83e4f411e59cece5b2bee847c8f38f844a149e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122E0 | 16836 bytes |
font_02_sfnt_off00014e6f.binbd9ceac2ba73b6ec3d3eb7c24621d649863bc4afa790f3b65ee4fe4ebf4c0502 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E6F | 10900 bytes |
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