MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many of which point to compromised or disposable hosting, indicating a link farm designed to redirect users. The presence of ClamAV detection and ML classification as malicious further supports this assessment. While no scripts were directly extracted, the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the nature of the URLs suggest an attempt to leverage SEO for malicious redirection, potentially leading to phishing or malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://ceresasrl.it/userfiles/files/tobepopukeguxokegaze.pdf
- https://menlopark.com/wysiwygfiles/file/zusotiwituvewafafame.pdf
- https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/72925982118.pdf
- http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613637e3200dd---pakedazigoguvikiruxi.pdf
- http://studiodugnani.it/userfiles/files/51074443087.pdf
- http://citranco.com/users/files/tevumudapapekazamurefomuz.pdf
- http://elmbbq.com/uploads/files/linug.pdf
- http://autodilygood.cz/files/file/17488740886.pdf
- http://dj-maily.com/uploads/pages/files/koxegemonifajurupeluz.pdf
- http://marthomaiticherukole.com/userfiles/file/51864359728.pdf
- https://www.rapn.ru/ckfinder/userfiles/files/92960673959.pdf
- http://cutskytools.com/d/files/zitapikepavorip.pdf
- http://verynailscm.com/user_img/file/74401987036.pdf
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c002246e51---pimamozedibaki.pdf
- http://polenes.cl/userfiles/file/36379728223.pdf
- https://maychieuvinh.vn/upload/files/lokilosewapimifomodilino.pdf
- http://chixue.com/uploadfile/file/20210913085409.pdf
- https://radio-clipa.ro/userfiles/file/42544382067.pdf
- http://refpecsbelvaros.hu/kepek/files/26332447772.pdf
- http://ctkupavna.ru/upload/file/80368990254.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/b26422a442998bfbb3217743b1295aa6/sunumujovorapew.pdf
- https://univerosg.com/ckfinder/userfiles/files/figomoluni.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=javascript+project+pdf
- 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_off0000d85a.bin256c7e9be9a6eff7cc0cf34594d259c0ab212be41a2b909a0e544a1a1ee032c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD85A | 10652 bytes |
font_01_sfnt_off0000f0d8.bin10fa2b3fba3426764abfdce4107067d47596029fca5c8c0d69d7cb54e19b85d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0D8 | 17892 bytes |
font_02_sfnt_off00011ed7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ED7 | 16792 bytes |
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