MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, and exhibits characteristics of a phishing lure. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document likely prompts the user to install a browser extension or update, a common social engineering tactic. Numerous URLs are embedded, suggesting potential redirection or payload delivery, though no scripts were directly extracted to confirm specific execution methods.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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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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://wastran.ru/uplcv?utm_term=smart+view+chromecast+not+working
- http://philipp-haberland.de/images/upload/file/48315614836.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/1a7cfc3f997795e70856b34275bf0e2a/lorotirazubo.pdf
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/pm04duo7fjahd3jshdts7k8daj/20805413579.pdf
- https://sassanoproperties.com/FCKeditor/file/78088073742.pdf
- http://hairtransplantmangalore.com/uploaded_files/userfiles/files/satefex.pdf
- http://erh-hu.com/userfiles/file/fidilunakojinaja.pdf
- https://alate.org/admin/fckeditor/editorfile/vafilitabago.pdf
- https://totounited.com/contents/files/94352920865.pdf
- http://kingsap.com/file_media/file_image/file/63158313748.pdf
- https://anakmeong.com/contents/files/vesaso.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/8712be4b69c7c387267872512d6f4120/fadifivez.pdf
- https://jcmimoveis.com/userfiles/file/23182488867.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/k98ulvcflqntimm3bkt9fnq7f6/nelusamugadajowo.pdf
- http://decamiones.com/userfiles/file/mapulororadexumuj.pdf
- http://kahasat.cz/data/file/80676414607.pdf
- https://client-sms.com/ckfinder/userfiles/files/rilejupo.pdf
- http://www.urbanwaterways.info/files/pawadexikomegabolakavi.pdf
- http://jtravel.clickis.kr/FileData/ckfinder/files/20210913_45C181063BF3DD30.pdf
- http://bunny888.com/ckfinder/userfiles/files/67772123600.pdf
- http://vanharteyoga.nl/uploads/files/28892736103.pdf
- https://gz-topstar.com/wp-content/plugins/super-forms/uploads/php/files/2424de2de7c0e60698f17801abe7d861/14552982988.pdf
- http://sportingclubalbinia.eu/userfiles/files/55836123070.pdf
- https://debcopharma.com/userfiles/file/48292396169.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/gdepccfg557077imp298fgq7mv/25719287117.pdf
- http://urbanposthotel.com/admin/ckfinder/userfiles/files/10708880318.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_off0000bc2a.bindea199dd665bcf14c34b3961ea39b7a75115a5c3362047e142226d97dcc362f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC2A | 16004 bytes |
font_01_sfnt_off0000e55d.bin2497e30b7d1c045504d036594f796058d93361f7128c84107fba8a2fd78e65ff |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE55D | 10952 bytes |
font_02_sfnt_off0000fea4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEA4 | 16792 bytes |
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