MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of multiple links pointing to compromised CMS upload directories and disposable hosting suggests a link farm designed to redirect users to malicious content. The heuristic 'SE_DOWNLOAD_BUTTON' further supports the lure-based nature of the attack, aiming to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774f317c522---59257236899.pdf
- https://canionglobal.com/FCKeditor/file/lesovetijiwinenin.pdf
- https://1877painters.com/FCKeditor/file/bisoxupu.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a85ce00a64c---29236394961.pdf
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8b90b119c9b8d3c8749dbc425df3c3c1/dovunasizagulolakofet.pdf
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adf47b0490e---fexivajiwowoxanekofokux.pdf
- https://taechoclub.com/FileData/ckfinder/files/20210627_8F8762C33C4A6800.pdf
- https://wendi101.com/userfiles/file/nifimikapirexapudeg.pdf
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/0a62kbfk62duh65jfqdg4jcsd7/10395184792.pdf
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608de7fa0b888---59717085459.pdf
- https://lawina-radom.pl/files/file/nodofumasakizora.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/0f82c5f73bb3269197196017330b1ee4/61212461576.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfb9055eca2---70654165709.pdf
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/fofj66v7f8gqonp2tpm4ejdgmv/worilofif.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/df5421b79d11ffc6079d42afbe5c7e01/47033829314.pdf
- http://benardoutlite.com/admin/fckeditor/fckdata/file/zepedik.pdf
- http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/bc1e7e2f0ceb1418964d823746368d24/73452419349.pdf
- https://metricgroup.it/uploads/file/7682631489.pdf
- http://anhuicrew.com/upload_fck/file/2021-6-4/20210604203206639152.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a583eb57ea9---36600021273.pdf
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c745f28510f---mitiwufuzobufulud.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/k4gjs71mbtmo53i4qug5gec983/11658264187.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=10th+social+science+xavier+guide+free+download+pdf+2020
- 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_off0000f50b.binc2d84e26d3a49d38816d63212d167b78a5c319cda2ce0a5a74611d77418568d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF50B | 17100 bytes |
font_01_sfnt_off00012209.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12209 | 16792 bytes |
font_02_sfnt_off00013a20.bin8af48c50c597041f656c689275d6d8f2c2f6020fcb01a9eb36593297ac439115 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A20 | 11452 bytes |
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