MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for malicious PDFs. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is part of a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded JavaScript likely facilitates the redirection to these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://silverspringabw.com/uploads/files/37399258744.pdf In PDF document text
- https://www.sesc-am.com.br/Selecao/ckfinder/files/42663620378.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/4841898613.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/37533988981.pdfIn PDF document text
- https://cualuoihoanmy.com/uploads/userfiles/file/56377173053.pdfIn PDF document text
- http://kup-vino.cz/web/ckfinder/userfiles/files/towewaritodadavumepezu.pdfIn PDF document text
- http://www.larucheapain.fr/ljk/file/294173294.pdfIn PDF document text
- http://pizzeriagiganti.ro/imagini_ws/wegawusofad.pdfIn PDF document text
- http://getvisa.ru/images/File/jezebimulu.pdfIn PDF document text
- http://pyramidplaster.com/file_media/file_image/file/75047656784.pdfIn PDF document text
- https://gionggiacam.gagiongvitgiong.com/ckfinder/userfiles/files/degexedenoj.pdfIn PDF document text
- http://ildungrice.com/fileupload/fckeditor/file/dovidimoloximipisojiba.pdfIn PDF document text
- https://hasekei.jp/userfiles/file/nufoduwaletekilumegewuro.pdfIn PDF document text
- http://itcck.org/upload/editor/file/bexasakiviwagunuzeta.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/75476336880.pdfIn PDF document text
- http://veszpremlizards.hu/_user/file/7396310421.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/161312eb228ee2---rifekaduwaf.pdfIn PDF document text
- http://nhasachthunam.com/upload/files/27175209973.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/b90a1eb78b5fb93dece9a0edba28c37f/19474280733.pdfIn PDF document text
- https://yingzhaoliuart.com/upload/file/64762635179.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/kexesinewaterifojurirura.pdfIn PDF document text
- http://audyt.rowerowaszkola.pl/imgturysta/files/kuxojikeruruvemuzejavoz.pdfIn PDF document text
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/lojonudidewaxat.pdfIn PDF document text
- http://energyexcess.com/userfiles/file/29978048931.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=oldboy+subtitles+onlinePDF 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_off0000bfba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFBA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d7cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7CC | 17244 bytes |
SHA-256: 1465a31facaf635e879f0d59fab97eceab0a998317f987af07ea490c751779a3 |
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font_02_sfnt_off00010465.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10465 | 10360 bytes |
SHA-256: f6aaa6d500d4e3dda43e67e84ec91c3e91d23249117566a5ba12e8acf6f0a4a4 |
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