MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, specifically identified as a phishing trojan. While no scripts were directly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/ddebf0ba5727ff5c1aa649538fc1d4a5/5693445338.pdf
- https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/11db8859bbc7d26e9e05cefbd3c09713/50691352426.pdf
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/00ed8da639c067aeae3291da83815b02/34674264115.pdf
- http://dlt-nkp.com/fileupload//file/luxemabovodijijadozipomek.pdf
- http://proxima-design.cz/files/file/47475704255.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/kg645v1qgre9dna1b7jedtk50f/tutari.pdf
- https://zold-kommando.hu/files/waxorumimokagirowesesuko.pdf
- http://casier-a-bouteilles.fr/file/rowanodijosam.pdf
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16077d4efef782---wozota.pdf
- https://forcechicago.com/wp-content/plugins/super-forms/uploads/php/files/dfaec1f15579741626c1fcc701fddc67/88172174746.pdf
- https://alternativecarrepair.com/userfiles/file/pevixe.pdf
- https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/bf37bdb6102ff6b7b5e9d70eef839697/zujag.pdf
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/8baad162c079454982b4c1a92cb635ce/64704199049.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092d042ecf99---zuwikaxobe.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae9e9a43559---sewuf.pdf
- http://immodraft.nrw/images/architekten_agentur_images_/file/32521807901.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=bill+book+mockup+free+psd
- 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://scripts.sil.org/OFL
- 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_off0000efd7.bin947a3356503d28fa1645bb0fae60a121ff1292e32d74dae01667ebb765267f23 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD7 | 5344 bytes |
font_01_sfnt_off000101f2.bina1a4c54454d54faa54417ec135cf4837c90ccb55a320eeb5efb79a49912ab397 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F2 | 12104 bytes |
font_02_sfnt_off00012969.bin00468df452218f546d59995a7cf9b4297092e2fd476dbd2f6ce79846bd051107 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12969 | 16140 bytes |
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