MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links, many pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The 'SE_INVOICE_LURE' heuristic indicates a phishing pretext. While no scripts were directly extracted, the presence of embedded URLs and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggest malicious intent, likely to lead the user to a phishing page or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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 http://kahounova.cz/userfiles/file/wezifesojumivad.pdf
- https://schilderlesvakantie.nl/ckfinder/userfiles/files/39923145220.pdf
- https://garyjetcenter.com/wp-content/plugins/super-forms/uploads/php/files/de8271b523d513fc7cb57ff4ed24f646/balomegumek.pdf
- https://auto-rujo.com/images-editor/file/rurodifokawiwumibet.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad06e02344---lofexidetoja.pdf
- https://almoheetmanpower.com/public_html/userfiles/file/bupavibagafuk.pdf
- https://castilloexterior.org/ckfinder/userfiles/files/nufaderimerovebetekos.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/2adeccfbf883f2d279135221653f63c2/81717613203.pdf
- https://nwdglobal.com/ckfinder/userfiles/files/28248043724.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076249938602---xulasaxigorivofukuwuvi.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/4a8dc775fab803372fbe5867e77e4df9/wadavivimadigeferokol.pdf
- http://epoetryworld.com/clients/53741/File/venujuxirefovasenewuvo.pdf
- http://indianspringhomes.net/userfiles/files/pisegomoxovar.pdf
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b251402be---22933069879.pdf
- https://www.psk.com.au/application/third_party/ckfinder/userfiles/files/11557748348.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16083387172bad---50782915211.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d86847262---wuxevulanew.pdf
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/d2e9891028eba4b09eface55a843d815/50838008216.pdf
- http://gat-asset.com/CKEdit/upload/files/fufozawavakoj.pdf
- https://elesud.it/img_pagine/file/xixosa.pdf
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/27f6a384deafb6dc3cabf447b81efb2b/tabujadubafepo.pdf
- http://vitali-schulz-eiskunstlaufen.de/userfiles/files/3083416821.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/6asb8jmjoh0hctl5v2udvkrk4r/31971452431.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=on+account+is+account+payable
- 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_off00011148.binfca28660cce991d6f9b1e08968e0523fe932edd8606edbcc9083663148a888bf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11148 | 10648 bytes |
font_01_sfnt_off000129a5.bin5e1900f58fd059d7a52811a5a7f12271fa2dda642927a1a623b9410a77e85266 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129A5 | 17772 bytes |
font_02_sfnt_off0001584b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1584B | 16792 bytes |
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