MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. The presence of numerous external URLs, many pointing to PDF files hosted on potentially disposable domains, suggests a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users into downloading further malicious content or providing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://www.ruchya.com.tw/upload/files/kiwixuwekabidupami.pdf In PDF document text
- https://sabunwangi.com/contents/files/917429516.pdfIn PDF document text
- http://avstralianature.ru/ckfinder/userfiles/files/16104881610.pdfIn PDF document text
- http://moriefrusca.com/userfiles/files/judode.pdfIn PDF document text
- http://mehmetrasimmutlu.com/icerik/file/55218744761.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/c14afa1cdd89f6aac2c5ad2090184adc/wigejobuxadunutoxovuloku.pdfIn PDF document text
- https://adikkedua.com/contents/files/kobelezarat.pdfIn PDF document text
- http://allgeology.ru/ckfinder/userfiles/files/39257824148.pdfIn PDF document text
- http://slavutich-media.ru/userfiles/file/19467456810.pdfIn PDF document text
- http://psycare-spb.com/userfiles/file/lupolenobine.pdfIn PDF document text
- http://auburn-properties.com/userfiles/files/kofokinesepagomimaxorun.pdfIn PDF document text
- https://coastalstudio.com/images/main/file/zewakomavevozezixaxeb.pdfIn PDF document text
- http://spadhotel.com/basefile/spadhotelcom/files/72567251694.pdfIn PDF document text
- https://hgb.se/filer/file/vozugubiwexe.pdfIn PDF document text
- https://hometeamcorp.com/images/usr/sitezi.pdfIn PDF document text
- http://mbeautyconcept.com/upload/content_images/file/pamuxurekakopuzusawa.pdfIn PDF document text
- http://bmcnx.com/userfiles/file/16680868720.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136f2b6f2752---4661006620.pdfIn PDF document text
- https://markiza-trade.ru/admin/ckfinder/userfiles/files/60779018722.pdfIn PDF document text
- http://gioiacompany.net/images/upload/file/65661466136.pdfIn PDF document text
- http://werkkledingverkoop.nl/images/docman/files/galibediropidezelif.pdfIn PDF document text
- http://patanjali.zohukum.com/ckfinder/userfiles/files/51108148683.pdfIn PDF document text
- http://cuborh.com/natelinhanew/js/ckfinder/userfiles/files/kujobafinutawuvetu.pdfIn PDF document text
- http://daphongthuyhueminh.com/uploads/image/files/8047682324.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=rpg+offline+android+freePDF 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_off0000cb0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB0B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e322.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE322 | 10452 bytes |
SHA-256: 1a9a3e08b67025bfc78ad333a971070d2fe9af716235c8efaaaeb0d9a5a3c190 |
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font_02_sfnt_off0000faa9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA9 | 17340 bytes |
SHA-256: 111f8c579c5005f02129035a9c49ff8f6c4913797b7d833252f0b007e81d93b6 |
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