MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous links to external resources, many hosted on compromised WordPress sites, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, indicating a tactic to obscure the true destination and leverage compromised infrastructure. The primary attack pattern appears to be phishing or malware distribution via a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.6872
Heuristics 5
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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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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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External URI info PDF_URIPDF contains an external URL action
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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://coretry.ru/uplcv?utm_term=cement+manufacturing+process+pdf+free+download PDF link annotation
- https://idfusionllc.com/wp-content/plugins/super-forms/uploads/php/files/0887f8382e4c87dbf16b64c139dcff6c/10001261874.pdfIn PDF document text
- http://globalroomplus.com/bot/ckfinder/uf/files/zakimumokudiwataso.pdfIn PDF document text
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/qh2u293qa7mg6bg0ia430ebhvg/68603988072.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/limudidekela.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/juzilu.pdfIn PDF document text
- https://globalmediaminds.com/uploads/files/86231748120.pdfIn PDF document text
- http://maihome.hu/admin1/file/rujixoviro.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096bb2caadc6---lunezudewipero.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160c09bdab9507---96615054681.pdfIn PDF document text
- https://legend-chang.com/UserFiles/files/watezafug.pdfIn PDF document text
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160afe38b2935e---89239583154.pdfIn PDF document text
- http://cocoal.com/uploads/file/30881904365.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160e7795fdf84a---116622910.pdfIn PDF document text
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b80f06da34---19865263626.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/19a4c6dfd78cf02890fcee03ef462ce4/xanalojex.pdfIn PDF document text
- https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/38pdta47lvk90pqbk8cft3lh88/nedozemikuno.pdfIn PDF document text
- https://fedico.ca/upload/editor/file/seketotofogiv.pdfIn PDF document text
- http://fabtur.ru/upload/files/jozowa.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/hs19h2u23vdupkejrqukpfi6ea/28936110009.pdfIn PDF document text
- http://111-orte.com/testarea/cwsCMSlight/media/files/xowagejitobonusevupaxamo.pdfIn PDF document text
- https://zivotzaokny.eu/res/file/fikutosodagasitovag.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/34215uf1g0u62jp4319qksp1u4/woxaziteg.pdfIn PDF document text
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606c82e886285---xirisomo.pdfIn PDF document text
- https://www.weldcor.ca/public/ckfinder/userfiles/files/28929479116.pdfIn PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c99a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC99A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e1ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1AC | 18008 bytes |
SHA-256: 367fb7fbfa8b082bd2fa0b4ff9aa8e0edd10c32d4e279694d5b25b667fe03c94 |
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