MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. The heuristic 'ML_NYX_PDF_MALICIOUS' and ClamAV detection strongly indicate malicious intent. The presence of numerous external URIs, many pointing to PDF files, suggests a link farm designed to redirect users to malicious content or download further stages of an attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://resttour.com/images/userfiles/files/93958161389.pdf In PDF document text
- http://suliaok.com/v15/Upload/file/20219102052236319.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/sasebelisut.pdfIn PDF document text
- https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/5574445823.pdfIn PDF document text
- http://noclegsosnowiec.pl/eurostyl/photos/file/mupeto.pdfIn PDF document text
- http://smsalumni1971.com/apadmin/uploads/userfiles/files/64915147587.pdfIn PDF document text
- http://homesunshinepharma.com/upload/files/wibukitok.pdfIn PDF document text
- https://techson-cctv.com/upload/file/39101020061.pdfIn PDF document text
- http://giaydantuongphongngudep.com/images/news/file/59657777541.pdfIn PDF document text
- http://star-transform-moscow.ru/uimg/files/bugofuvoxuvikiwuzenowitap.pdfIn PDF document text
- http://vankouwenenmastop.nl/UserFiles/file/55559648179.pdfIn PDF document text
- http://zamgph.com/uploads/file/090508528672.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613187c57b404---64388744818.pdfIn PDF document text
- https://nutricount.cz/UserFiles/File/3357595676.pdfIn PDF document text
- https://argekaucuk.com/nbg/upload/files/66246998009.pdfIn PDF document text
- http://vitalchurchesinstitute.com/files/file/devama.pdfIn PDF document text
- http://free-note.kr/files/fckeditor/file/15079016886138d74461ced.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/9871771092.pdfIn PDF document text
- http://hcstonetw.com/uploads/files/202109030145579495.pdfIn PDF document text
- https://mvpartners.be/images/uploadedimages/file/dagiwik.pdfIn PDF document text
- https://www.lsv-wittlage.de/ckfinder/userfiles/files/22609171817.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=plants+vs+zombies+installer+for+windows+10PDF 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_off0000bf8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF8B | 11040 bytes |
SHA-256: b58dc09449cd13f3deae772b8265a77aecd225c2ed42da3ae39fbb71b9aea08b |
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font_01_sfnt_off0000d959.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD959 | 17228 bytes |
SHA-256: 30f2e79aa006641229f643ca92522be496074feeb9c1e0a851e80f28dac1e4cf |
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font_02_sfnt_off00010638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10638 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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