MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is a common technique for executing malicious code. The PDF also hosts a large number of external links, many of which point to disposable domains and appear to be part of a link farm, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 http://pasaru.com/upload/files/46380558271.pdf In PDF document text
- http://dentish.ru/ckfinder/userfiles/files/12491132611.pdfIn PDF document text
- https://gogreenonline.net/userfiles/image/fckeditor/file/vipigin.pdfIn PDF document text
- http://makesrealsense.com/ckfinder/userfiles/files/41205880869.pdfIn PDF document text
- https://goldenlinejsc.com/userfiles/file/najiwevividotimok.pdfIn PDF document text
- http://vimar.ua/userfiles/files/vobozufuvaminedimug.pdfIn PDF document text
- http://simsoncantho.com/userfiles/file/vesube.pdfIn PDF document text
- https://sthouseluxury.com/upload/files/2410248201.pdfIn PDF document text
- https://barcelonamedicalcenter.com/files/galeria/files/75165634846.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/pamow.pdfIn PDF document text
- https://appchecar.com/ckfinder/userfiles/files/bewapajurewosozuzoxiw.pdfIn PDF document text
- http://patrick-jardinage.fr/ckfinder/userfiles/files/valoramigutukalami.pdfIn PDF document text
- http://newbiesites.com/userfiles/file/burefonepadesewib.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/56f072836030572b44ce1649bf7e3b08/59005818739.pdfIn PDF document text
- http://mulroyenvironmental.ie/userfiles/file/37506618456.pdfIn PDF document text
- https://searchkar.com/ci/userfiles/files/84534547296.pdfIn PDF document text
- http://domadoma.cz/userfiles/file/88777194165.pdfIn PDF document text
- http://shopsuathientu.com/uploads/userfiles/file/ruwokamu.pdfIn PDF document text
- https://keiba-like.biz/js/ckfinder/userfiles/files/64870207673.pdfIn PDF document text
- http://hourinkan.net/js/upload/files/54609828670.pdfIn PDF document text
- http://abwlargo.com/uploads/files/liluda.pdfIn PDF document text
- http://brenno-tojestto.pl/userfiles/file/tekiwabuneg.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=html5+apk+builderPDF 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_off0000b29c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB29C | 10620 bytes |
SHA-256: cbc872eabdcf6d97e9f292cd8bd38e3422f3c97b8c63cd0ce583f6799f32aa00 |
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font_01_sfnt_off0000caa0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAA0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e2b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2B2 | 19020 bytes |
SHA-256: cf999b5fe4b1c7077b446e53bc07f259cfddb8df01905050d5da7fe3449bdef3 |
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