MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript and numerous external URIs, flagged by ML and ClamAV as malicious. The heuristics indicate it functions as a link farm, with many URLs pointing to disposable hosting, and one specific URL is associated with a search term lure. The embedded JavaScript likely facilitates the redirection or download of further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://crysiq.ru/uplcv?utm_term=minecraft+bedrock+edition+apk PDF link annotation
- https://crc.creativechange.net/ckfinder/userfiles/files/jokote.pdfIn PDF document text
- https://perfecthospitals.com/FCKeditor/file/lurig.pdfIn PDF document text
- http://inter-travel.hu/_user/file/80276509843.pdfIn PDF document text
- https://onutglen.com/caningest/images/file/tubalopenasu.pdfIn PDF document text
- https://nibrasimansch.com/userfiles/files/44058875093.pdfIn PDF document text
- http://nieruchomosciklodzko.pl/files/file/bapafig.pdfIn PDF document text
- http://mextro.de/upload/files/17904800131.pdfIn PDF document text
- http://v-lukomorie.com/uploader/files/22147804848.pdfIn PDF document text
- http://oticonshop.com/ckfinder/userfiles/files/pizutufawanuposowixuwow.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/161401cfebbb40---kegeriruduxojafi.pdfIn PDF document text
- https://ideylia.fr/uploads/file/jonekakowu.pdfIn PDF document text
- http://pspectr.ru/userfiles/file/26506683009.pdfIn PDF document text
- https://dailyhondaotomientay.com/upload/files/xorifinevop.pdfIn PDF document text
- http://residencelesaline.it/userfiles/files/48718737217.pdfIn PDF document text
- https://iskoruma.com/upload/ckfinder/files/31971592162.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d322839564---kizigu.pdfIn PDF document text
- https://mantyobras.com/userfiles/file/49763618692.pdfIn PDF document text
- http://humansharehouse.com/userData/board/file/85093271453.pdfIn PDF document text
- https://tradingphrases.net/userfiles/files/migumizozaradasatifasek.pdfIn PDF document text
- http://www.mattig-accounting.bg/fisiere/file/gurukilonejopezolesom.pdfIn PDF document text
- http://casier-a-bouteilles.fr/file/86113179566.pdfIn PDF document text
- http://mitroc.com/userfiles/file/23931866532.pdfIn PDF document text
- http://gok-maciejowice.pl/js/ckfinder/userfiles/files/xuxawegala.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/8947569656.pdfIn PDF document text
- http://www.leasebridge.com/CKUPimg/files/kirosinonebebixosubaxosev.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_off0000dde7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDE7 | 10624 bytes |
SHA-256: dbf6277fc7e6ce6ec79b1d915263313f47812ef1d2ce4981f5579d0255346ea2 |
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font_01_sfnt_off0000f619.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF619 | 17704 bytes |
SHA-256: 2153b10be1ba14587f24a074d20d8404e869221c79095446641c675fb73f1255 |
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font_02_sfnt_off000123dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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