MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many of which point to suspicious PDF files on various domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a large number of links on disposable hosting, suggesting a malicious intent to obscure the true destination or distribute content. The ML classifier and ClamAV detection strongly indicate maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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 http://fkhd.cz/data/img/32664751280.pdf In PDF document text
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/704073da71c75f6dc321c67fa3f32123/korisulob.pdfIn PDF document text
- https://foundryindia.org/userfiles/file/ribivegemot.pdfIn PDF document text
- https://nileagriculturalindustries.com/file/rovojutepo.pdfIn PDF document text
- http://rafaelokazakov.com/file/xigevemufefekiwefaro.pdfIn PDF document text
- http://testpensija.bankai.lv/ckfinder/userfiles/files/jezovesitukonil.pdfIn PDF document text
- http://www.omt.ntou.edu.tw/ckfinder/userfiles/files/29151175965.pdfIn PDF document text
- https://vilus.cz/userfiles/file/sumuwu.pdfIn PDF document text
- https://pre-www.bridge-academy.com/uploaded/ckeditor/files/savevamujudotorezuwesora.pdfIn PDF document text
- https://copacndg.com/images/uploads/files/wegelepamasexefuluninavo.pdfIn PDF document text
- https://kme.pl/global/app/webroot/uploads/file/16305558536084.pdfIn PDF document text
- http://trumoi-khutrung.com/upload/files/nijokigiporaf.pdfIn PDF document text
- http://classiccar-jp.com/js/upload/files/9105815908.pdfIn PDF document text
- https://egyptsuntours.com/userfiles/files/29063088025.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1612f59be0017a---2566820587.pdfIn PDF document text
- http://www.siposferenc.hu/html/kevepowuzusimivasik.pdfIn PDF document text
- http://anquocrealty.com/uploads/image/files/jumolepopolunofurolim.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/nupugovumedetisugifanora.pdfIn PDF document text
- http://savemaxint.com/files/file/kaxumebuxovetona.pdfIn PDF document text
- https://hitourkorea.com/FileData/ckfinder/files/20210909_E4AD1651210A96E7.pdfIn PDF document text
- http://aotwresort.info/ckfinder/userfiles/files/23174358350.pdfIn PDF document text
- http://ackerviewguesthouse.com/userfiles/file/49227639232.pdfIn PDF document text
- http://fsnmmaterials.com/UPFILE/userfiles/files/gisajevefepoligep.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+clear+history+on+my+android+phonePDF link annotation
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/53067646600.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_off0000ea3e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA3E | 10968 bytes |
SHA-256: 7855fd1c195f67cbce745aabcdacaf3e72a8ed0f24eba1395383e47df09ad9da |
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font_01_sfnt_off00010386.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10386 | 17656 bytes |
SHA-256: a7cc3d8ad354068e066f74e7abc72da9a34a90bd5477aa08dd6393245fd33778 |
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font_02_sfnt_off000131b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131B4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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