MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are part of a link farm designed to redirect users to potentially malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of hosting many links on disposable domains, suggesting an attempt to obscure the final malicious destination. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://wastran.ru/uplcv?utm_term=idm+download+for+windows+7 PDF link annotation
- http://lotusburbank.com/uploads/files/kusojasago.pdfIn PDF document text
- https://lwim-ouargla.dz/ar/files/98463042943.pdfIn PDF document text
- http://thebankcardservices.com/uploads/files/82554954996.pdfIn PDF document text
- https://lexcyberia.com/userfiles/files/falijuxotuni.pdfIn PDF document text
- http://ttmm.co.jp/ckfinder/userfiles/files/rutomivaf.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/25006726994.pdfIn PDF document text
- http://sxsasa.org/images_fck/file/1631484119.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613be5e3f2905---wevoropo.pdfIn PDF document text
- https://magicdiscoradio.hu/userfiles/file/bonozipemidubazaduto.pdfIn PDF document text
- http://bibonatura.com/ckfinder/userfiles/files/zugolo.pdfIn PDF document text
- http://1hozain.ru/files/userfiles/files/somebonuzasawej.pdfIn PDF document text
- https://kit-veron.my/ckfinder/userfiles/files/vidafevuzuxasizokopebu.pdfIn PDF document text
- http://indianspringhomes.com/userfiles/files/tobosetujuwebunutudo.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/zevotezuke.pdfIn PDF document text
- http://kccmaul.com/files/files/46937153861.pdfIn PDF document text
- https://wasael.com/userfiles/file/vepukotam.pdfIn PDF document text
- https://oteaexpert.fr/cite_imgs/file/rusezorumajabadoza.pdfIn PDF document text
- http://saxonrt.hu/img/userfiles/files/76063746386.pdfIn PDF document text
- https://marbeyoyun.com/calisma2/files/uploads/letejiwanomanevajuro.pdfIn PDF document text
- http://flagrant-desir.com/userfiles/file/29115895452.pdfIn PDF document text
- http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/76352677002.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/xaberu.pdfIn PDF document text
- http://ceroki.com/image/files/63491468004.pdfIn PDF document text
- http://intelekt.biz/uploads/pages/files/98568401797.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_off0000d8a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8A8 | 16484 bytes |
SHA-256: 2f24fec18d9fbf3e8588853e37c9f400c32a7327b1fe662c5294201e0ecac8a7 |
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font_01_sfnt_off000102f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B0F | 10372 bytes |
SHA-256: ca1dd9a89113e2ca1d8e3fbb16fbe49b5dfb25c2287564113b1bd970896b55fc |
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