MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links pointing to compromised WordPress upload directories and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of these links indicates an attempt to redirect the user to malicious sites, likely as part of a spearphishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c4dffc4498f---lenekejotidiz.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f8dc3bd719---jusudiwijapenadojomepa.pdf
- https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/94e3bd97fca740d734b0b35bc064ba7d/66380501974.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160815fa57f5fb---supiluvix.pdf
- https://agermag.ro/mm/file/dezagibiwi.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/6839f9da9f49fb9f06251409e46bf08a/22138898438.pdf
- http://dabaizhongxue.com/upload_fck/file/2021-7-9/20210709091350549941.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160981f7be966f---rorivem.pdf
- https://lordoptika.hu/files/files/6128340878.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/b77b6e98919952432fa066f73c0ee111/31845381628.pdf
- https://ajitcoatings.com/uploads/27654518265.pdf
- http://enotecagaribaldi.it/userfiles/files/bafafapupisitiminagutilef.pdf
- http://tasarimak.net/ckfinder/userfiles/files/60142722216.pdf
- http://jr-bang.com/uploadfiles/20210618031015.pdf
- https://nakipoglugroup.com/upload/ckfinder/files/basazironafuraji.pdf
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/9802fed719986a3187e604bf07a69b08/86584405982.pdf
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b281ecdb2ab---50788755750.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/be5f0e7bf90b10150fb89e7bbc9edbea/85917665922.pdf
- http://www.highlandmetals.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607f53deda54b---fusoda.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/2474b5b342c31d7aa0ed0c8f129e11c4/fatoxizulijo.pdf
- http://sklepjola.pl/userfiles/file/78923955753.pdf
- http://webelievedin1984.com/clients/6/67/676624d6593aa512bfa6e10e765af00e/File/8768668233.pdf
- http://botosani.ro/img/uploads/file/5514703820.pdf
- https://www.colours-of.com/wp-content/plugins/super-forms/uploads/php/files/ko99rpddqnep2pe73kb706om62/vivajoberoxa.pdf
- http://baigeleather.com/userfiles/file/zenotufepilupup.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=c+program+to+reverse+a+number
- 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_off0000c96e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC96E | 16792 bytes |
font_01_sfnt_off0000e185.bin32e12a393cee24e32ebf34abc12d8db24f77fe01df4c2d8b19ef2be4391cac01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE185 | 10796 bytes |
font_02_sfnt_off0000fa43.binaba3b45a24afeb55fc558304b3e3bc76c7c5f2142a215de6a8c6ee9389a2e2eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA43 | 16008 bytes |
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