MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, flagged by ML classifiers and ClamAV as malicious. Heuristics indicate it functions as a link farm and a potential invoice/payment lure, suggesting it's used to direct users to malicious sites or download further payloads. The embedded JavaScript is likely responsible for initiating the malicious activity, such as downloading a second-stage payload from one of the numerous extracted URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://unitjaya.com/contents/files/rifonavolewolugiled.pdf In PDF document text
- http://www.cenlaenvironmental.com/siteuploads/editorimg/file/30975993281.pdfIn PDF document text
- http://fractinvest.com/uploads/file/tarubimenod.pdfIn PDF document text
- http://nationalherbo.com/userfiles/file/68488125477.pdfIn PDF document text
- https://marblobathware.ph/app/webroot/img/files/66933747453.pdfIn PDF document text
- http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/13539972844.pdfIn PDF document text
- http://gabortech.com/admin/file/15804650313.pdfIn PDF document text
- http://juentai.com/userfiles/files/86516581538.pdfIn PDF document text
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16137909e273ec---87436525488.pdfIn PDF document text
- http://sushibelovo.ru/files/lexuwosuwopisepomot.pdfIn PDF document text
- http://anthonyvienna.com/sites/default/files/file/wonifimiminozevaw.pdfIn PDF document text
- http://planao.com/ckfinder/userfiles/files/80305580572.pdfIn PDF document text
- https://pnvvr.ro/userfiles/file/ruwepozuxebonino.pdfIn PDF document text
- http://topenglish.sk/app/webroot/gallery/files/jitazewapokebusovugated.pdfIn PDF document text
- http://jongauger.com/ckfinder/userfiles/files/61008093359.pdfIn PDF document text
- http://checopharma.com/upload/files/67794774281.pdfIn PDF document text
- https://shevtsov-art.com/uploads/files/44550213795.pdfIn PDF document text
- https://kalyna.ua/sites/default/files/userfiles/file/4896014980.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135d6a763309---68601852679.pdfIn PDF document text
- http://www.jysunshine-hotel.com/up_files/file/21063738516.pdfIn PDF document text
- https://tvsporedi.si/vsebina/49395089918.pdfIn PDF document text
- https://smlstripedbass.com/home/rock/public_html/ckfinder/userfiles/files/segumokaderumigewipexami.pdfIn PDF document text
- https://xeroxexpres.cz/userfiles/file/likil.pdfIn PDF document text
- http://dycelife.com/userfiles/file/97402127084.pdfIn PDF document text
- https://girl0229960192.com/upload/users/files/metuxazobobazisev.pdfIn PDF document text
- http://seattledesis.com/fckeditor/file/zizubakizugitoj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=android+sdk+helpPDF 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_off0000e289.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE289 | 18744 bytes |
SHA-256: f5a580b615e83ff302c0f284831fd735b8fda08ed19c6969a533578746ce6a2a |
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font_01_sfnt_off00011303.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11303 | 10304 bytes |
SHA-256: f86a299ee53b0d0582d5fd522110a47a4d1aa8c2daa7bd8aa244d0c0b7ec99ae |
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font_02_sfnt_off00012a16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A16 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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