MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a high number of external URIs, many of which are hosted on disposable domains, indicating a link farm designed to distribute malicious content or phish users. The presence of a 'download button' heuristic further supports a lure-based attack. ClamAV detection and ML classification confirm the malicious nature of the file, likely exploiting PDF vulnerabilities to execute code or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://oniceh.ru/uplcv?utm_term=gujarati+sahitya+and+vyakaran+pdf PDF link annotation
- http://chafewyuok.handysociality.com/upload/files/84534586805.pdfIn PDF document text
- http://oticonshop.net/ckfinder/userfiles/files/67188469073.pdfIn PDF document text
- https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/cff256d5a78c3b02906daa8d27f012ce/11841337184.pdfIn PDF document text
- http://dasbluemchen.com/suvigalesinekixawa.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/35091249281.pdfIn PDF document text
- https://mcdelandes.ca/uploads/file/81897257916.pdfIn PDF document text
- https://padservhosting.com/userfiles/file/lakekinu.pdfIn PDF document text
- http://clinivetmadonnadirosa.eu/userfiles/files/3760326749.pdfIn PDF document text
- http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/87735733079.pdfIn PDF document text
- https://hobbyschuurtje-webwinkel.be/images/userfiles/file/70121350243.pdfIn PDF document text
- https://erdenet.mn/userfiles/file/mebemuvotedotexeli.pdfIn PDF document text
- http://twsl.mingann.info/upload/ckfinder_temp/files/20210906045234.pdfIn PDF document text
- http://stefanourso.com/public/userfiles/file/23768905071.pdfIn PDF document text
- https://geneticapanama.com/userfiles/file/kawub.pdfIn PDF document text
- http://dominant.name/userfiles/file/20429649554.pdfIn PDF document text
- http://xn--h49al71atridzo.com/userData/board/file/59998484451.pdfIn PDF document text
- http://24horasnoar.com.br/ckfinder/userfiles/files/23028981412.pdfIn PDF document text
- http://torgoborud.org/images/file/kirepisibuwajorap.pdfIn PDF document text
- https://indiantalentjunction.com/milan/media/97973111006.pdfIn PDF document text
- http://hairtransplantmangalore.com/uploaded_files/userfiles/files/83327327896.pdfIn PDF document text
- http://finadev-groupe.com/userfiles/file/24437793254.pdfIn PDF document text
- http://massintech.ru/img/outer/files/83389596087.pdfIn PDF document text
- http://teen.plovdivweek.com/js/ckfinder/userfiles/files/56457110349.pdfIn PDF document text
- http://baggiez.net/userfiles/file/dosogimumufizogonotaro.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_off0000e151.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE151 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f968.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF968 | 10840 bytes |
SHA-256: 02394bd1507d11e3e5378282914463d8b39cada4c5dec7abf445ed639b5e8650 |
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font_02_sfnt_off0001125d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1125D | 20132 bytes |
SHA-256: 6ac4dc40c1cb30e3985e611f6d4429f00dc739fc445a43aa0db2d057421c130f |
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