MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of an embedded JavaScript stream (PDF_JS) suggests that the PDF is designed to execute code, likely to redirect the user to one of the numerous extracted URLs. The heuristic PDF_SEO_DISPOSABLE_LINK_FARM further supports this, indicating a link farm structure designed to obscure the true destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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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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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://akiisushi.com/uploads/files/tidapowijijaxelojuxa.pdf In PDF document text
- http://087334211.kad.tw/kads/ckfinder/userfiles/files/95782249150.pdfIn PDF document text
- http://skyrun-arser.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/2109030750422407555s2rvc.pdfIn PDF document text
- http://medwin.kr/userData/board/file/95821451084.pdfIn PDF document text
- http://amicissiapiemonteisa.it/userfiles/files/43372540546.pdfIn PDF document text
- http://www.nomorcantikjoss.com/file/82335167618.pdfIn PDF document text
- http://cuacuonbinhduong.com/upload/files/bedidifipakekekasa.pdfIn PDF document text
- http://hasyo.net/files/file/52668223937.pdfIn PDF document text
- http://tacchigroup.com/public/thread/risorse/file/jufovobenuxudazozojew.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e7e2d59b7---gosopajufonogovujuvinole.pdfIn PDF document text
- http://www.temaricerca.com/entry2013new/admindia/ckfinder/userfiles/files/falisazilubotanag.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/81224519487.pdfIn PDF document text
- http://www.veslovani-vsb.cz/soubory/file/51509271338.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132c589bf4f5---depozeriwubumade.pdfIn PDF document text
- http://nwhouse.ru/uploads/file/46236161982.pdfIn PDF document text
- http://danieldesignpro.com/userfiles/140892763.pdfIn PDF document text
- http://lg-palette.com/upload/files/lebek.pdfIn PDF document text
- https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/pawuwa.pdfIn PDF document text
- https://lifecareproduct.in/ckfinder/userfiles/files/56660828493.pdfIn PDF document text
- https://taucaotoccatba.vn/images/news/files/33315059716.pdfIn PDF document text
- https://candbco.com/ckfinder/userfiles/files/jabirameba.pdfIn PDF document text
- http://sudeoksa.net/userfiles/file/20210920024349.pdfIn PDF document text
- https://keiba-like.biz/js/ckfinder/userfiles/files/biwadotukofada.pdfIn PDF document text
- https://arch.ua/ckfinder/userfiles/files/68634539095.pdfIn PDF document text
- http://alpinedelhi.com/userfiles/files/vugoziduvixogo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=efrain+alvarez+fifa+21PDF link annotation
- 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_off0000d2bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2BB | 10104 bytes |
SHA-256: d1bc0bb1dff76812d53afd3a10931463db99526d9f9e441376cc9c6ae9d3ecdc |
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font_01_sfnt_off0000e969.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE969 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001017b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1017B | 17788 bytes |
SHA-256: 1cde7b8ea9a35aae52949730d729b24d20ca1327cf12c479dcc58043cdf2602d |
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