MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious File
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm used to distribute further malicious content. The document body, though heavily obfuscated, appears to be a lure related to disciplinary hearings in South Africa, likely intended to trick users into downloading malicious files.
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 https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160728a7acb4d4---42719663415.pdf
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/d15d7c55d1606251989212d41ff7d11a/6732928802.pdf
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608224a100ebb---fibafabemivewevewojote.pdf
- https://actor-conseil.com/files/file/niwuvawewefagiv.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d20c22ab4a---62009731438.pdf
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/qtn0ch4627rcpook4pfuelphk3/19960360529.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/cc6e2422e2e26bc6e1c40f05d703c695/mutoludutolikogufed.pdf
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a35570dd9c---makaxafitiwusagawupoj.pdf
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608744b9707b9---50458638805.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/3918i06ih89moj1sqej8brges1/didabepeni.pdf
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/9r8dn7i8cl2iabsusokq9je4gr/23274622072.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc438561a8---87782315417.pdf
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/c786c31f2b6bf355a830f2954a72dfc7/67381262.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076b2ddb60a4---5606711791.pdf
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/t3o8k1bd59oadvm26jqmk86o0t/verafowe.pdf
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/16098883c2f6ad---86680625947.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+conduct+a+disciplinary+hearing+in+south+africa
- 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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e862.binf7e4acfe35524cebe9411c24a7eee52ffb471d092e7cccaa13147a25c629fea3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE862 | 5572 bytes |
font_01_sfnt_off0000fb68.bin6ca8c71538035d16705d6ced4721d3b8939e4754b15ecb5efabc77ae04ebd913 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB68 | 10400 bytes |
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