MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains numerous embedded URLs pointing to potentially compromised websites and disposable hosting, suggesting a link farm or phishing lure. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this, indicating an attempt to disguise malicious links within a document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://crysiq.ru/uplcv?utm_term=fundamental+analysis+of+shares+by+ankit+gala+pdf PDF link annotation
- https://infoenergie-loire.org/userfiles/file/lipenosolexasalax.pdfIn PDF document text
- http://nitecoreromania.ro/files/file/53290171059.pdfIn PDF document text
- http://kulturazebrak.cz/userfiles/jafenazekadewisavomovi.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af81a3e5f83---45563248758.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/c2n8grge39pni4s3gp739jl527/38797608143.pdfIn PDF document text
- https://aradmissions.com/ci/userfiles/files/18469646076.pdfIn PDF document text
- http://caratow.eu/userfiles/file/nivotasijuronubire.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/28828515957.pdfIn PDF document text
- http://goldway.jp/upload/board/file/nemebipuwomutumexapoxot.pdfIn PDF document text
- http://immodraft.nrw/images/architekten_agentur_images_/file/fobidiwagotizomamidowet.pdfIn PDF document text
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/nqnhhg7c3q43ldhv2ohko0vc77/sirapug.pdfIn PDF document text
- https://istanajp2.com/contents//files/tonogaloxowi.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0e4439557a---fizadedasax.pdfIn PDF document text
- https://visionbrindes.com/admin/fckeditor/userfiles/file/1754784747.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b82783c6af5---83833108674.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b11eedb34f2---rilaxepolulowikedowe.pdfIn PDF document text
- https://graveyards-fuj.ae/userfiles/files/56531824711.pdfIn PDF document text
- http://matchonusa.com/uploads/files/rotijepukoxajasedifija.pdfIn PDF document text
- http://mega-gold.com/userfiles/files/degomagatuxe.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160e5dc4221a06---2914949938.pdfIn PDF document text
- https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/oldpvbtmcl25ul3ojiv7qtcph4/50352254068.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/0faf189b096a07599cbeff1fbecb93da/78513178265.pdfIn PDF document text
- http://assushop.com/userfiles/assushop.com/file/pukilewutuduvofejege.pdfIn PDF document text
- http://archi1919.com/smlclub-files/file/32711276383.pdfIn PDF document text
- 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_off0000cdb3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDB3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e5ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5CA | 11368 bytes |
SHA-256: 72f8a0fca7db26078f75fe20455f7b55778e95601bd927e805db21479e04824a |
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font_02_sfnt_off0000ffef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFEF | 17524 bytes |
SHA-256: 2b937299696983da80037cbbd3cbf9cbed28b9135c3facf4504119c212a6185d |
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