MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a phishing and potential malware delivery mechanism. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content is designed to trick users into installing software, a common tactic for credential harvesting or further infection. Multiple URLs point to compromised CMS upload storage, suggesting a distributed infrastructure for hosting malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/160ac75518cd00---12677962604.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608726b613713---soxevugekisezuderadibu.pdf
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/17709014448.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2915b8196a715bb6ad47a0a4715eb49/21970974790.pdf
- http://technology-mp.it/userfiles/files/rokopimunutenamafubal.pdf
- https://torgradio.ru/new/files/file/kisoxujewewaratetud.pdf
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/51d25f48b54f27ef54bc7500f995833e/zajaguf.pdf
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/5f280fa7c8d2971db0a777fa1c55779a/84445925474.pdf
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1de052c6ab---xikafixutiziremek.pdf
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160754e2f381ef---89667482578.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/4da7d90f850f28b93398b7602b3b40bf/wituro.pdf
- https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/jk24jp6hp4h115m8crt2oj7o93/voxubij.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/ld6moutsugmadfad8ckvjo9ep4/2506346492.pdf
- http://zdravi-kromeriz.cz/files/file/23083107329.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c79d452317f---83145558327.pdf
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/3creg2ufvuemqld347spdh8896/22265471373.pdf
- https://lemanssrl.it/file/43112022664.pdf
- https://zanhotel.ro/beficientconsultingFiles/file/21328433653.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7c5362a21---43599972711.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/ac5705de0409df979258b727cccc299a/39966183057.pdf
- https://aradovan.com/userfiles/file/45955360333.pdf
- http://liga-stf.ru/i/upload/files/94467724380.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/b057c47bea26af97ad27798d760a7718/sivenabeloruga.pdf
- https://outsourcedbackoffice.co.uk/wp-content/plugins/super-forms/uploads/php/files/40c44c543584a2e9c31ec4d3239b9315/43719741486.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=a+solid+foundation
- 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_off0000f582.bin99c3029659a4fc2ad81ab70be02a649ea4881a76878c4be111a42daf3ab98dd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF582 | 17212 bytes |
font_01_sfnt_off0001223d.binb39bfce5352178a2927dd3f9c9ba0ae073e39600968feccffdb8b18e3ec03403 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1223D | 10196 bytes |
font_02_sfnt_off00013938.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13938 | 16792 bytes |
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