MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV specifically identifying it as a phishing trojan. The document contains numerous external links, some pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the phishing lure attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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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://smidgel.ru/uplcv?utm_term=gmod+fnaf+android
- https://www.spitalmoldovanoua.ro/ckfinder/userfiles/files/nuboxasamolovisif.pdf
- https://beautifulhairstore.com/upload/files/rumekebiroz.pdf
- https://smilaxlabs.com/userfiles/files/66107837313.pdf
- http://capital96.com/userfiles/file/98259156558.pdf
- http://autoneza.cz/UserFiles/File/88773343963.pdf
- https://sanruouvang.net/images/uploaded/file/feduwivibuwokadigagexazuv.pdf
- http://viettelhaiphong.me/data/dulieu/files/8168819577.pdf
- http://www.farmaciapenil.es/userfiles/files/64249643055.pdf
- http://radis-rrl.ru/userfiles/image/zokibejaxiki.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380bc21b311---14356990307.pdf
- https://jv-cms.crazy-jessie.nl/uploads/files/89884691387.pdf
- https://ketdoanbus.com/webroot/img/files/72469755003.pdf
- http://aotwresort.info/ckfinder/userfiles/files/xexogego.pdf
- http://studiomuraca.eu/userfiles/files/29468270127.pdf
- https://jajugroup.com/ckfinder/userfiles/files/dawume.pdf
- https://dichvuketoanvn.org/uploads/files/64046969408.pdf
- https://demo-calson.garment-pro.com/ckfinder/userfiles/files/motosi.pdf
- http://rovitek.com/userfiles/file/xopobun.pdf
- http://cottoneauto.it/userfiles/files/74400940833.pdf
- https://smarttactic.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613206d841730---tamenij.pdf
- http://icoenergia.com/userfiles/files/67108945022.pdf
- http://niengrangchuyensau.com/upload/contentFile/file/76286609479.pdf
- http://ejmk.com/ej/upload/files/mogefa.pdf
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/8d66aa2cfe4c4d280e16e18d5f7b9b3b/zufijapivakanefapi.pdf
- http://ccspatti.org/userfiles/file/16007733236.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_off0000c30c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC30C | 16792 bytes |
font_01_sfnt_off0000db23.bin4801337eaee5c76b85c73cacee9911c50aabc3eceb33cc62006ed7bd67c18547 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB23 | 10108 bytes |
font_02_sfnt_off0000f195.binf86c8a4520e28fd496d1d339f289f4e6eddee8bff028c21531c5ff9bbb451aa4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF195 | 16772 bytes |
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