MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS upload directories, suggesting a phishing or malicious redirection attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites or download further payloads. The document's structure as a link farm is a common tactic for distributing malware or conducting phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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 https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/288c8c40e8554f3084001db70b40be18/8826113634.pdf In PDF document text
- https://ilcaminodaugo.it/file/23148182399.pdfIn PDF document text
- https://socohoteldanang.com/uploads/image/files/22477255190.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606da07049b30---mikovuzifelivurujabete.pdfIn PDF document text
- https://prospr.fr/ckfinder/userfiles/files/58742412798.pdfIn PDF document text
- https://aspirans.com/files/file/91301233904.pdfIn PDF document text
- http://aiaato.com/FileData/ckfinder/files/20210702_B9CDB539D8EB0776.pdfIn PDF document text
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/1b11e11dbb7bb69e37d61aa125ec2380/titifubafewebe.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/titovizufifumubogomo.pdfIn PDF document text
- https://contabil-fiscal.ro/mm/file/12027795071.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160790c3de3408---11503432702.pdfIn PDF document text
- https://yuanfuconstruction.com/ckfinder/upload/files/nimudibezilaze.pdfIn PDF document text
- http://amirafouad.com/uploaded_files/file/fojidukuk.pdfIn PDF document text
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca906ad083---40210268775.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610797afb000e---tovafavodemaru.pdfIn PDF document text
- http://ahlhy.com/uploads/file/092104385530.pdfIn PDF document text
- https://tatsolarlight.com/uploads/files/44304899066.pdfIn PDF document text
- http://voxel-avocats.fr/uploads/file/senanaxofowusebuxafaw.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131cd3316607---kipebuxotimoju.pdfIn PDF document text
- http://entryexpress.online/chapter_images/files/97950817997.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=mit+computer+science+syllabus+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eab0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAB0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C2 | 17572 bytes |
SHA-256: fe2031875d78b278a9133833c4dad92e71fae384234c1f68e4d9edfb8da4d354 |
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font_02_sfnt_off00013089.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13089 | 11128 bytes |
SHA-256: 592c6e56c02977fbdd26e54dc992eb9eee823bc5bb181a3c61166e84bc6fada3 |
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