MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs pointing to external, potentially malicious sites. The presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate a deliberate attempt to redirect users, likely to phishing pages or to download further malware. The document body is heavily obfuscated and appears to be generated content from wkhtmltopdf, not user-readable text.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
Heuristics 5
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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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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://irlanc.ru/uplcv?utm_term=now+you+see+me+two PDF link annotation
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16132d4ceba6be---12381082302.pdfIn PDF document text
- http://lifebeachvilla.com/uploads/image/files/gesukuxuwapakepot.pdfIn PDF document text
- http://dream-mebel.com/pic/file/27781471972.pdfIn PDF document text
- http://pusancard.com/userData/board/file/jasipasipagejas.pdfIn PDF document text
- http://corporatiegids.nl/uploads/files/wirolizesasotofixuniwag.pdfIn PDF document text
- https://www.paseppe.gr/ckfinder/userfiles/files/xetikubo.pdfIn PDF document text
- http://mp-journal.com/media/file/kabadozasuduvipozejub.pdfIn PDF document text
- http://rybarict.cz/webpagebuilder/ckfinder/userfiles/files/pudinoz.pdfIn PDF document text
- http://truhlarstvisollner.cz/data/file/59372697406.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/mnrlu2231eka3heeeqsskk3u9s/80594244199.pdfIn PDF document text
- http://profil-metall.de/content/uploads/file/97391560932.pdfIn PDF document text
- http://biafrapol.pl/pliki/file/virosadote.pdfIn PDF document text
- http://buyyoutubelikes.com/ci/userfiles/files/50367407957.pdfIn PDF document text
- https://datenglagi.com/contents/files/xesosuxukoxezinoj.pdfIn PDF document text
- https://catwalkdogcome.com/editor_upload_image/file/rekewomex.pdfIn PDF document text
- http://besteva.com/upload/files/juxirifasezo.pdfIn PDF document text
- http://theofficefurniturestore.com/ckfinder/userfiles/files/39630443876.pdfIn PDF document text
- http://galenbio.com/images/upload/file/vodelofupubu.pdfIn PDF document text
- http://tdbakademi.org/userfiles/files/45317750323.pdfIn PDF document text
- http://thietbiotovn.com/Images_upload/files/62339583339.pdfIn PDF document text
- http://jinshi66.com/uploadfiles/files/vavefezevubaz.pdfIn PDF document text
- http://jenistudio.com/upload/FCK/file/tonawanezimujirigafiwivuk.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_off0000d972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD972 | 10040 bytes |
SHA-256: 0c25ee41ed6f3d43818aec097c0cf5e3c868a53837bd5aedaa9ec2e11641a11b |
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font_01_sfnt_off0000eff2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF2 | 17780 bytes |
SHA-256: cb726707b94e860eef68335fc0d2546f9a921a03cf630ad0faa8d55ce67c825f |
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font_02_sfnt_off00011dcf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DCF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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