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 heuristic PDF_SEO_DISPOSABLE_LINK_FARM and the numerous unknown URLs suggest a link farm designed to redirect users to potentially malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://pune-india.info/userfiles/file/83155440872.pdf In PDF document text
- http://radissonhoteltraining.com/userfiles/file/60519660011.pdfIn PDF document text
- https://empezo.xyz/js/ckfinder/userfiles/files/57477730981.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/sixuvojazirituwas.pdfIn PDF document text
- http://avtokapriz42.ru/userfiles/file/nazivowonopuxokabed.pdfIn PDF document text
- http://bebsulmare.com/userfiles/files/lizido.pdfIn PDF document text
- http://carrollcountylawyers.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/tepopadimorozewogobudoro.pdfIn PDF document text
- http://www.abcklima.hu/data/editorfile/19537582319.pdfIn PDF document text
- http://cerritos.songhakbbq.com/uploads/files/zamerilurugarebejasod.pdfIn PDF document text
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/1920095848.pdfIn PDF document text
- http://hide-bo.com/img/tmp/file/53616399503.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/7819064663.pdfIn PDF document text
- http://architects-desk.com/uploadsfile/tanunavilopekavoxebuxebar.pdfIn PDF document text
- http://bloodfaces.de/attachment/file/6054343774.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/161603fd25144a---kuzezeru.pdfIn PDF document text
- http://restravel.ru/ckfinder/userfiles/files/27220774175.pdfIn PDF document text
- http://lafenicealcamo.it/userfiles/files/kuxuduwatige.pdfIn PDF document text
- http://mayepnuocmia.vn/data/ckfinder/files/18930986307.pdfIn PDF document text
- https://777mto.net/contents/files/tiwasimilaramij.pdfIn PDF document text
- https://rajatotogroup3.com/contents/files/medodalolutodigoz.pdfIn PDF document text
- https://eagle-aviation.com/userfiles/files/papizomavomavig.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210909122317_1439261551.pdfIn PDF document text
- https://www.adom.biz.pl/ckfinder/userfiles/files/degimajofuloni.pdfIn PDF document text
- http://minerva-collection.net/files/files/nazexalabawidus.pdfIn PDF document text
- https://interconformity.ro/images/file/tewejerolive.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=ds2+ring+of+bindingPDF 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_off0000e6de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6DE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fef0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEF0 | 19168 bytes |
SHA-256: 7a30c53917489d3ad91a78bf539bd114559d6fdea9901ca3fa5ee271825467ec |
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font_02_sfnt_off000130d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130D0 | 10352 bytes |
SHA-256: 411e67ff9654932537c538ef0a6e55d776a815267ffaa783374e5cbee007ac38 |
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