MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The PDF contains embedded JavaScript and a large number of external URIs, many of which point to potentially disposable domains, suggesting a link farm or phishing lure. The primary purpose appears to be directing users to external malicious websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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 https://nomylo.ru/uplcv?utm_term=empower+a2+elementary+student%27s+book+pdf PDF link annotation
- https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/24448369617.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161455ca57d08a---69921643732.pdfIn PDF document text
- http://tangneylaw.com/admin/images/file/jeverogoma.pdfIn PDF document text
- http://candleelectricals.com/uploaded_files/userfiles/files/77321015896.pdfIn PDF document text
- http://tlxzkj.com/uploads/file/181445369756.pdfIn PDF document text
- http://xn--2e0b95unoa536adofm5h.com/userfiles/file/18666485955.pdfIn PDF document text
- http://www.ppk-kp3k.kkp.go.id/ver2/extra/ckfinder/core/connector/php/media/ckfinder/files/77061237382.pdfIn PDF document text
- https://sambelteri.com/contents/files/petunebonafi.pdfIn PDF document text
- http://larben.cz/media/images/upload/file/12406558096.pdfIn PDF document text
- http://katachizu.com/img/news/files/sopuzunavape.pdfIn PDF document text
- https://adminico.nl/userfiles/file/jusoxupapefup.pdfIn PDF document text
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/38822326610.pdfIn PDF document text
- http://hemeringen.de/ckeditor_ablage/userfiles/files/55256692190.pdfIn PDF document text
- https://rosycaffe.com/file/70872110924.pdfIn PDF document text
- https://artgreen.vn/attachment/files/gakokazaligefaforisof.pdfIn PDF document text
- http://zamaro.cz/images/fcke_files/file/24203370599.pdfIn PDF document text
- http://shuimotongyuan.com/userfiles/file/vijuterajasututarigipidut.pdfIn PDF document text
- http://liderzy.natura2000.pl/imgturysta/files/filegupumevej.pdfIn PDF document text
- http://stisk.com/file/86861273285.pdfIn PDF document text
- http://geluidsadviesnederland.nl/ckfinder/userfiles/files/xonodi.pdfIn PDF document text
- https://alternativecarrepair.nl/userfiles/file/73702617924.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/88567708525.pdfIn PDF document text
- http://uteambio.com/upload/files/loxekokimemigonifosusawiw.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/6d313298a58b156796035ef1c88ba93f/venidiwojile.pdfIn PDF document text
- http://ty-int.com/files/files/fegezazivupalefalig.pdfIn PDF document text
- http://cssh.es/img/file/doduse.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_off0000b0fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0FE | 11236 bytes |
SHA-256: e207e171b041c319a3e939d7024288d0e7994520719b7fa6b09701abed28b98b |
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font_01_sfnt_off0000cb46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB46 | 14576 bytes |
SHA-256: 56d879389b4a709df61b9b01ee9bb51b11bef1cfbd3549dea2af6d937b84835e |
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font_02_sfnt_off0000f025.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF025 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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