MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which are part of a link farm hosted on disposable domains, indicating a campaign to distribute malicious content or phish users. The presence of UTM parameters in some URLs suggests tracking and potentially targeted distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://cructi.ru/uplcv?utm_term=unlimited+coins+subway+surfers+ios PDF link annotation
- http://malabarisproducoes.com/arquivos/files/topijuv.pdfIn PDF document text
- http://caudafotografia.com/userfiles/files/nujazepixave.pdfIn PDF document text
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/xedenolaxijazajalosufuxi.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131c58712499---fobanemuxiz.pdfIn PDF document text
- https://mamap.in/ci/userfiles/files/3648289714.pdfIn PDF document text
- http://modulobase.com/userfiles/file/beninirazo.pdfIn PDF document text
- https://manusingh.org/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/xubomulelitas.pdfIn PDF document text
- http://cermak-expo.cz/data/files/file/fewemobozikajafove.pdfIn PDF document text
- https://songhong.info/userfiles/file/xijibudoxelefagaxono.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613fed8b47d0f---jasabesisufasevoxolo.pdfIn PDF document text
- https://apluskleaning.com/admin/images/file/2150253479.pdfIn PDF document text
- https://carsen.sk/editor_uploads/system/files/66789574841.pdfIn PDF document text
- http://placidlakes.com/larpm/uploads/file/gaxixarenu.pdfIn PDF document text
- http://dobre-jaja.com/Upload/file/9515181381.pdfIn PDF document text
- http://myesen.life/userfiles/file/49627773346.pdfIn PDF document text
- http://ubytovna-krumlov.cz/userfiles/file/jixinasagidasivarik.pdfIn PDF document text
- https://nhomphuongnam.com/upload/files/xapefukesatezexaj.pdfIn PDF document text
- http://honghuibio.com/d/files/xodunadadefomivusus.pdfIn PDF document text
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/57369176631.pdfIn PDF document text
- http://adwokaci-pila.pl/userfiles/file/rirafuwewejusiveto.pdfIn PDF document text
- http://budaors.varosom.hu/userfiles/files/madopa.pdfIn PDF document text
- https://libyamonitor.com/sites/all/libraries/ckfinder/userfiles/files/kanaxedifebawimi.pdfIn PDF document text
- https://www.znackakvality.info/files/90222263104.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_off0000affc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFFC | 15652 bytes |
SHA-256: 4d876d05c0bc859df08ef5e257db064ee9b8cdc3072c58cb4e13eb13e0a80bbc |
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font_01_sfnt_off0000d78b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000efa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA2 | 11084 bytes |
SHA-256: 68b2ec454e7ac321eaddabfeb851ab0780636862ec6d6c4ccae0879485bd43c1 |
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