MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The document body is heavily obfuscated, but the presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest the document's purpose is to redirect users to external, potentially malicious, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://vandervalk.reviews/app/webroot/files/userfiles/files/12220261979.pdf In PDF document text
- http://kenshopvn.com/uploads/files/wijadiwaj.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16131f792dc660---24163531451.pdfIn PDF document text
- http://fairfresh.net/assets/admin/ckeditorimage/files/daxegomapig.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/jenefodafafenejuxubusu.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/febopojasagusiruravafeza.pdfIn PDF document text
- http://business-plan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/64644357629.pdfIn PDF document text
- https://mtestbd.com/assets/uploads/files/fiwegafurusuwel.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/4852fbe39d5bc03f587f5eefa449bc29/sosiwor.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616121303ee72---25126653634.pdfIn PDF document text
- http://alothongtin.com/upload/FCK/file/bofetuzajizes.pdfIn PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1614029e6e5494---11093759904.pdfIn PDF document text
- http://atreve.eu/ubezpiecz/obrazy/file/rawofiga.pdfIn PDF document text
- http://gysanya.com/upload/file/210920095635655757lz29akayc5k9.pdfIn PDF document text
- https://zoldlepes.hu/userfiles/file/87542409813.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1615ec454d4e8a---13583381818.pdfIn PDF document text
- http://kingtonkatsu.com/uploads/files/17078014874.pdfIn PDF document text
- http://rsti.biz/files/fck/file/67860517086.pdfIn PDF document text
- http://decamiones.com/userfiles/file/3465214151.pdfIn PDF document text
- http://sinostandards.net/upload/files/vabazubagefopojitabudulu.pdfIn PDF document text
- http://tyros-club.de/userfiles/file/92542782330.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/6ef926d3fd30822a4f96974aa7853eaa/sowuforisodelofavimojufof.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=what+is+difference+between+pdf+and+jpgPDF 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_off0000d952.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD952 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f169.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF169 | 11080 bytes |
SHA-256: 935b3fc4c29f16853c56b2ebe950a51ebcba9e1bb6aeaef19ab25d78cba1a494 |
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font_02_sfnt_off00010ac3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AC3 | 17412 bytes |
SHA-256: d47c904644f8a99cf7518fefb5ace3d26ae61edd8b5c8e5caef8d0e2bbaff4bc |
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