MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document that contains embedded JavaScript, indicating it is designed to execute malicious code. Heuristics indicate it is a lure for MFA or one-time code harvesting, consistent with credential phishing. The embedded JavaScript likely facilitates the credential harvesting or downloads a secondary payload from one of the numerous extracted URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 8
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. 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://irlanc.ru/uplcv?utm_term=infinity+blade+android+game
- http://feach.ie/images/uploads/file/kusinagu.pdf
- http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/53869343206.pdf
- http://ridendo.cz/files/file/48042671285.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1614ba599c079f---84299755320.pdf
- http://fuzoku-kyujin.jp/ckfinder/userfiles/files/fazovixixidotidaruvu.pdf
- https://kolkatanagariksammelan.org/ckfinder/userfiles/files/vokawarezapasex.pdf
- https://www.gurkhasfinance.com.np/ckfinder/userfiles/files/foxujavuxen.pdf
- https://cdmsig.com/ckfinder/userfiles/files/pajulakaxemuwowabupuzaz.pdf
- https://kottayammedicalcollege.org/CMS/ckfinder/userfiles/files/fugaj.pdf
- http://tecs4.com/intranet/ckfinder/userfiles/files/voliwoguzobanor.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/615ae2260f37480f71df88df3f79f162/70279223032.pdf
- http://www.77ice.com/upload/files/pikakexofaxa.pdf
- http://air-ned.com/uploads/files/xupewamuzafinejikada.pdf
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16144d2b0e193b---fewawaxagoxapowulume.pdf
- http://szolnokepul.hu/userfiles/file/xitibew.pdf
- http://puisan.ru/uploads/file/4995581993.pdf
- https://quatden.vn/webroot/img/files/xefururiperaladesemoz.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142019ec059e---8076501407.pdf
- http://www.jindatunnel.com/up_files/file/dadanexotivopojumonoxoxe.pdf
- http://flirtproducties.nl/ckfinder/userfiles/files/72671820544.pdf
- https://dalton-english.com/userfiles/file/52148202712.pdf
- https://nstoplana.rs/ckfinder/userfiles/files/63512724025.pdf
- https://selapro.com.au/application/third_party/ckfinder/userfiles/files/40021056060.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b48b.bin9e7006fd2f2bbe9996dd5ec68dbf4e94b9aad917a7bb10578eaf95dce0d4f341 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB48B | 16296 bytes |
font_01_sfnt_off0000de28.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE28 | 16792 bytes |
font_02_sfnt_off0000f63f.bin4c99c4c636d7b18e47517087f256b8ca870db4edf8acc05a1e966e66c5211500 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF63F | 10732 bytes |
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