MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV. It contains embedded JavaScript, which is a common technique for executing malicious actions within PDFs. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates that the sample is part of a link farm on disposable hosting, pointing to a phishing or distribution campaign. The embedded JavaScript likely redirects the user to one of the numerous URLs found in the document, which in turn host more PDF files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://ljjxmining.com/uploadfile/file///2021090801535752.pdf In PDF document text
- http://themetamorphoseprogram.com/userfiles/file/4290585772.pdfIn PDF document text
- http://sanzmendia.com/userfiles/files/97395528820.pdfIn PDF document text
- https://ht-cooling-j3t.com/contents/files/97284348736.pdfIn PDF document text
- http://gachbinhduong.com/upload/file/64206186038.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/161420096983ad---fowoki.pdfIn PDF document text
- https://maintogelonline.info/contents/files/92270364740.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16130054f17791---gewagixawod.pdfIn PDF document text
- https://globalcircle.club/userfiles/file/34811752249.pdfIn PDF document text
- http://dailynewsodia.com/assets/ckfinder/core/connector/php/uploads/files/31710202736.pdfIn PDF document text
- http://giprozdraw.ru/ckfinder/userfiles/files/64657127948.pdfIn PDF document text
- https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/82968378999.pdfIn PDF document text
- https://fotokeramika.bg/userfiles/file/jivelirebusikime.pdfIn PDF document text
- https://tlkingatlan.hu/kepek/other/file/pejinomibij.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/90199885237.pdfIn PDF document text
- http://skonasystems.com/userfiles/file/sidelabizinevabudiv.pdfIn PDF document text
- http://canyonmeadows.org/userimages/nowititexifixawexipese.pdfIn PDF document text
- http://www.performhabitat.fr/bundles/astadmin/js/ckfinder/userfiles/files/dusap.pdfIn PDF document text
- http://thechitay.com/uploads/userfiles/file/viwabarikavosagiwidit.pdfIn PDF document text
- https://investincarpathians.eu/app/webroot/media/files/17335690995.pdfIn PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/62163233174.pdfIn PDF document text
- http://halongwave.com/userfiles/file/mokagoxepobaxowozigoza.pdfIn PDF document text
- http://www.danvillern.com/wp-content/plugins/super-forms/uploads/php/files/181046098333917771868eb517486f9e/zaxux.pdfIn PDF document text
- https://ehotelgateway.com/bot/ckfinder/uf/files/rifepogorode.pdfIn PDF document text
- https://irantruck.ir/data/file/67554347426.pdfIn PDF document text
- http://terrietanaka.com/library/files/dasinaravisad.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=base+apk+cameraPDF 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_off0000b61a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB61A | 15936 bytes |
SHA-256: 3010bc767a5aa35d005cce5319ad21ecc1978bed2550da58ddf3bcba048c350d |
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font_01_sfnt_off0000de4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE4A | 10220 bytes |
SHA-256: b08451ed274e5b6beb9940953e048c9a5bef817583818b398ca6b486e30bf780 |
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font_02_sfnt_off0000f54c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF54C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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