MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by multiple heuristics, including ML and ClamAV, indicating malicious content. It contains numerous embedded URLs pointing to various domains, suggesting a link farm designed to redirect users to potentially harmful sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure malicious intent through a large number of links on disposable hosting. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9877
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://wastran.ru/uplcv?utm_term=tv+box+app+apk PDF link annotation
- http://food-cloud.com/home/food-cloud/www/site/site/data/files/9788757820.pdfIn PDF document text
- http://alhouti.com/userfiles/file/kolesuvadoderusawivajaki.pdfIn PDF document text
- http://ruihuitax.com/files/file/1694037095.pdfIn PDF document text
- http://dienlanhtruongson.com/upload/files/puvijavufuzetojafixaj.pdfIn PDF document text
- https://rtquery.reitoken.org/Coaching123/images/files/99381262227.pdfIn PDF document text
- http://linpus.com/app/webroot/userfiles/files/nuzawuzodukavirudilo.pdfIn PDF document text
- http://zatoodesign.com/userfiles/files/sasolujekapezinozasiduki.pdfIn PDF document text
- http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/59824766343.pdfIn PDF document text
- https://tpk-m.ru/files/file/7529796589.pdfIn PDF document text
- https://12tiga.com/contents/files/98368259096.pdfIn PDF document text
- http://keifo.ru/ckfinder/userfiles/files/15902252919.pdfIn PDF document text
- https://dunaweb.co/bg_image/files/nugoxafekujiligibabesal.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/wuwoz.pdfIn PDF document text
- https://jackinthegym.com/uploads/files/202109020434446817.pdfIn PDF document text
- https://tonerihned.cz/userfiles/file/zoxawidodekanokowitat.pdfIn PDF document text
- https://kindeeyudee.com/ck_files/files/53503940458.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/16130d22d28848---66351542651.pdfIn PDF document text
- http://koddous.com/userfiles/file/fiwogure.pdfIn PDF document text
- http://laserinnsbruck.com/static/81129858444.pdfIn PDF document text
- http://mbjarrahi.com/UploadedFiles/New/file/44814544987.pdfIn PDF document text
- http://mecaniquekd.ca/upload/file/27766110388.pdfIn PDF document text
- http://dkkarsin.pl/img/upload/files/pimaxagum.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132629106572---minifapomipewefibojoboke.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/23471766066.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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000bb9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB9B | 2076 bytes |
SHA-256: 3cc8a62c510cf61b6e0b78164b43afbfa54ec56cb882c6a341d2014e17d809fb |
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font_01_sfnt_off0000c508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC508 | 22304 bytes |
SHA-256: 705a19295e2871f9b6ff5ae699fd551f554be85e4cf1892e78b9ae133febe6e7 |
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font_02_sfnt_off0000fbc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off000113d2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113D2 | 16572 bytes |
SHA-256: b8d618ccf44fd6f32618eab2699b6cb11ada7078811863e7b757f10b7b36f736 |
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font_04_sfnt_off00012b30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B30 | 9868 bytes |
SHA-256: a3925de2a08af4e3187b7fe256f4b7116f2a90a4306eb995eea6abfd6e488e0f |
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