MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The heuristics indicate the document functions as a link farm, directing users to download files from compromised WordPress upload directories. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution attempt, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e028c8337f---12228208099.pdf
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/i7v8crkglpi410ehp0m74gnqc5/2329782115.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160d753436d0d8---74531756316.pdf
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a246791ed84---jegirivigarirakemuporo.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609831be57b34---33973946849.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608301d1b06d0---dubepababebanawa.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091821068e13---sudegolaturexomo.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608768aa77418---lapipexidoxazudiku.pdf
- https://motacademy.it/file/59711196226.pdf
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/3e60ea8379f00b842e5ca320d0c0e81e/38357523611.pdf
- http://tebsc.com/clients/84181/File/dejesidarisatoxa.pdf
- https://a5productions.com/home/a5pro/public_html/ckfinder/userfiles/files/72875968774.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/c8875272c7054a751fed16fec4701c90/60388365403.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/44820ef9ce1933d907a01963ca1f3af3/29798242979.pdf
- https://clubforeducation.com/FCKeditor/userfiles/file/50337332456.pdf
- http://acril.ru/ufiles/files/2705974770.pdf
- https://deepankarbasu.com/FCKeditor/file/10821488120.pdf
- http://ecompletecontact.com/ckfinder/userfiles/files/lobepisokufemefezevavela.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a96573ac60e---gulifonorogudisebuxigoz.pdf
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/397cddb1d3c51ab4f0addb92a2123a6a/63724643453.pdf
- http://lideparts.com/userfiles/file/1623743388.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=download+converter+pdf+to+doc
- 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_off0000e4e7.bina022841f63d0827c8d67ee9aec352a48637dee7763e195d9aff5260e12560757 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4E7 | 10508 bytes |
font_01_sfnt_off0000fcff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCFF | 16792 bytes |
font_02_sfnt_off00011511.binff96b9964f6d709b1b76e27f956216c254eef1759935381660059caacbcee7c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11511 | 16760 bytes |
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