MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript. This JavaScript is likely responsible for downloading and executing a second-stage payload, as suggested by the PDF_JS heuristic. The presence of numerous external URIs, many pointing to potentially compromised or malicious sites, further supports the malicious intent of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://idroilektriki.gr/files/file/98064095100.pdf In PDF document text
- https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/kawonorajebilixujugisij.pdfIn PDF document text
- https://habibitours.org/ckfinder/userfiles/files/94502521012.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/gavanobofebasulotimez.pdfIn PDF document text
- https://cleanenergy.mn/uploads/files/29580004459.pdfIn PDF document text
- http://brezov-gaj.si/uporabnik/file/weramaxosek.pdfIn PDF document text
- https://highfieldhousehotel.net/nbloom/fckuploads/file/rigoxopusurugisopeg.pdfIn PDF document text
- http://capableapp.com/uploads/files/38468175004.pdfIn PDF document text
- https://okazionche.com/files/34986444322.pdfIn PDF document text
- http://abwva.com/uploads/files/tekaxejewigonemol.pdfIn PDF document text
- http://vipnjl.com/userfiles/files/93372303615.pdfIn PDF document text
- http://bizbecho.com/pa/trainstation/uploads/image/file/loserum.pdfIn PDF document text
- http://spostojow.pl/userfiles/file/31971545645.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161475e0d7ed2c---wugiravu.pdfIn PDF document text
- http://huntland.hu/upload/file/nivorubesudin.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614673fda0de0---65861690735.pdfIn PDF document text
- http://evrofurnitura.by/elax-furnitura.ru/uploads/files/88674190325.pdfIn PDF document text
- https://prawobrzeze.info/userfiles/file/kezobedejujojaf.pdfIn PDF document text
- http://www.sport-konyv.hu/userfiles/file/27325652303.pdfIn PDF document text
- https://amatnieks.lv/pictures/image/buzal.pdfIn PDF document text
- https://mimpishio2bet.net/contents/files/8510689466.pdfIn PDF document text
- http://fuyu.010bi.com/ckfinder/userfiles/files/genutafuw.pdfIn PDF document text
- http://mnarch.it/userfiles/files/36730985324.pdfIn PDF document text
- http://vmkmsz.hu/userfiles/file/belosodu.pdfIn PDF document text
- http://dade666.com/userfiles/202109file/2021092021162570554.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/KGDyd8lM0uI/uplcv?utm_term=7+weeks+baby+in+wombPDF 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_off0000e973.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE973 | 10412 bytes |
SHA-256: 4ceee754b0a599da69d0b816e0bec2d866cd6ed33bd90564fe339547026b195d |
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font_01_sfnt_off00010127.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10127 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011939.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11939 | 17348 bytes |
SHA-256: 595a7dc998041695e9ef2d16aabd1119fd4124acb018790c399cf0edf9502228 |
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