MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous external URIs, many using 'utm_term' parameters, suggests a phishing or spam campaign designed to redirect users to potentially harmful sites. The document body, though heavily obfuscated, contains metadata indicating it was generated by wkhtmltopdf, a tool often used to create PDF documents from web content, further supporting the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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=dnd+5e+game+master+guide+pdf PDF link annotation
- http://togul.org/sites/default/files/file/61172251903.pdfIn PDF document text
- http://xaydungphongphu.com/uploads/files/wurupij.pdfIn PDF document text
- http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/48556665631.pdfIn PDF document text
- https://landi-bg.com/images/file/38411932308.pdfIn PDF document text
- http://timnhanhonline.net/upload/files/xosalalolonafagad.pdfIn PDF document text
- http://quangphong.vn/uploads/image/files/gegerokodinifogaraza.pdfIn PDF document text
- http://lianbang123.com/uploads/files/202109150608295474.pdfIn PDF document text
- http://belovosushi.ru/files/kokaroj.pdfIn PDF document text
- http://jocoseatee.com/userfiles/files/nuxaneguwigufojo.pdfIn PDF document text
- http://topup-fight.com/ckfinder/userfiles/files/dafinikuxabodadenogamabo.pdfIn PDF document text
- http://itps-group.com/uploadfiles/file/22210891619.pdfIn PDF document text
- http://dpholding.ru/uploads/files/dupanasibipaminoluwigi.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/jakosupatusigodujunurow.pdfIn PDF document text
- http://skazka76.ru/pic/userfile/38427644882.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145f67e5dd55---mowogef.pdfIn PDF document text
- http://abwmechanicsville.com/uploads/files/tefirepezevegunopawonuk.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/pasiga.pdfIn PDF document text
- https://magnanelli.com/userfiles/file/96284267867.pdfIn PDF document text
- https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/59476081026.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/42692995839.pdfIn PDF document text
- https://educhina.mn/editor/files/17931432043.pdfIn PDF document text
- http://www.andreapondika.cz/file/gesekikijenatolotupux.pdfIn PDF document text
- http://rideco.hu/upload/file/79663347291.pdfIn PDF document text
- http://balashixa.inhome360.ru/admin/ckfinder/userfiles/files/xivegifobaragivata.pdfIn PDF document text
- https://sassanoproperties.com/FCKeditor/file/wojitusemawupedimuwepo.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_off0000eb72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB72 | 10908 bytes |
SHA-256: 11d137767e422a1deec96a2dbac6cae2798c04f4ddc16cbdb908cb403fa82749 |
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font_01_sfnt_off00010489.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10489 | 17612 bytes |
SHA-256: 249f53eb07601795248918c725a131e9fe39d27c5f3b01eb8dcba1c4f2abe924 |
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font_02_sfnt_off000131e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131E7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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