MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF that contains numerous external links, many of which point to compromised WordPress sites or disposable hosting. The presence of a 'download button' lure and instructions for a password-protected archive strongly suggest a phishing or malware distribution attempt. ClamAV detection and ML classification further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://crysiq.ru/uplcv?utm_term=holo+launcher+old+version
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/f5fa7a33c8afe3fae4e05cdac3d54625/41458201921.pdf
- http://zonwering-belgie.eu/ckfinder/userfiles/files/65900976519.pdf
- https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/l063u1c6q7m7ffivcfdo5n9ith/54507555444.pdf
- http://ubest.ru/images/file/30813590204.pdf
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/e41c41f52f0ec1fa3a797194cba1feb2/zivelozedugumezuzugido.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6199292edc---rejasubilitituwa.pdf
- http://coss-wynn-reunion.com/clients/d/db/dbe3622004495b304d8703879a486b7d/File/98679286447.pdf
- http://orchid-daikanyama.com/userfiles/file/96991206888.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ad88f2419e---86278019073.pdf
- http://architettoseneca.com/userfiles/files/vawexu.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/1vrut4r28sp3be87oij6i44vs7/8503086043.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/6bf89fe67525d4ae49057ad7b3731253/17617026450.pdf
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/d8567880dcd8df197bdab0bf9d08db2b/46849832176.pdf
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/943855d20ec8646fc35d89c622e00d4e/16618712291.pdf
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/78kuah9padr7avjo6os3nn2vcb/poxagobugoponiduw.pdf
- http://allmedicus.com/userfiles/file/85086824490.pdf
- http://hpc1970reunion.com/clients/3/3e/3eb4c5728feca7eb79feed4eed44c519/File/gizazuluwoxopiw.pdf
- http://accessprecision.com/userfiles/file/55382121691.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b020c6d716f---66411384572.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/61560fc5ad8dabb2ae45fcf0a6ceb515/82611930415.pdf
- http://simonhoirup.dk/userfiles/file/4955037953.pdf
- http://yngc.ru/admin/ckfinder/userfiles/files/patef.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_off0000e94d.bin6d6849d1fa56239177721f91ead7fc5604e54c6d4b2bcf26c2f61054a9f7b278 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE94D | 10528 bytes |
font_01_sfnt_off00010129.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10129 | 16792 bytes |
font_02_sfnt_off0001193b.bine28d9c3262844926362fb5717fc45cb362e37fb30145cc201b51ebf8185b53e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1193B | 19076 bytes |
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