MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous URLs, many hosted on compromised CMS uploads, indicating a phishing or redirection attempt. ClamAV detection and ML classification strongly suggest malicious intent, likely for credential harvesting or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ed653737b---46308460674.pdf
- http://havefuntogether.com/image/upload/File/67654987712.pdf
- https://uniqrelation.com/userfiles/file/ziziwutexikez.pdf
- https://cuisinescartier.ca/upload/editor/file/84667588623.pdf
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/d124959f61c3f251bd788cc3844fca47/13671860658.pdf
- http://german-ex.com/images/blog/file/44250373328.pdf
- https://108pizza.pl/uploads/userfiles/files/puwojumedazomixas.pdf
- http://fkjz.cn/upload/files/2021/08/202108180901084755.pdf
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3373330d9---50057573609.pdf
- http://tortsurprise.ru/upload/redactor/files/94695858616.pdf
- https://aduanaldelvalle.com/userfiles/file/nizovakaxugatobot.pdf
- https://heatingboiler.ca/fck_upload/file/76232226627.pdf
- http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/f6h6jm26vv2s6u5klrds83pd44/24198477402.pdf
- http://arcdesantmarti.com/biocop/Images/images-editor/file/86106108652.pdf
- https://mgogs.com/mgfiles/file/1205800822.pdf
- https://mls.lighting/wp-content/plugins/super-forms/uploads/php/files/1f5fd1926e5255460a545560ff56d692/24826898945.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608519bd722b0---kukenanekewutowojoxofini.pdf
- http://camera68gialai.com/uplaod/quangtri/files/kovawasobatoderojavojidab.pdf
- http://dui-antidote.com/images/userfiles/file/10356123707.pdf
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16081c3e2d776f---vofuruluva.pdf
- http://sl-light.ru/design/img/upload/file/16333152462.pdf
- http://abbwingslynnhaven.com/uploads/files/xakiwanadarusu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=opus+one+2015+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_off0000d68e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD68E | 16792 bytes |
font_01_sfnt_off0000eea0.bin80436fb91bc58f4ced1f8f158c068f1e11f8abe74f89275121fa1b181ebb712c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEA0 | 18468 bytes |
font_02_sfnt_off00011e08.bina57bef5be8d4398aabe0d9956c365e2b46ed161e953f0b76fc489b0acebb2cca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E08 | 10544 bytes |
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