MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs, many of which are structured as link farms on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://chcial.ru/uplcv?utm_term=beginning+c%2B%2B+game+programming+pdf PDF link annotation
- https://ratoempat.com/contents/files/volemuminakegu.pdfIn PDF document text
- https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/zarezipowu.pdfIn PDF document text
- https://matao.ro/app/webroot/files/userfiles/files/76982670520.pdfIn PDF document text
- https://big-affaires.com/img/pics/files/foliwi.pdfIn PDF document text
- https://autotronics.vn/userfiles/file/7201193753.pdfIn PDF document text
- http://123dvere.sk/files/file/30397710011.pdfIn PDF document text
- http://ngocvietbungalow.com/upload/files/wufajorafawatupi.pdfIn PDF document text
- http://boschvietnam.vn/files/usersfiles/files/77163188308.pdfIn PDF document text
- http://tprcindia.com/ckeditor/ckfinder/userfiles/files/josidamixajovelosawekiju.pdfIn PDF document text
- https://anctools.com/ckfinder/userfiles/files/78667860010.pdfIn PDF document text
- http://powercleanperu.com/cms_powerclean_2015/sgi_userfiles/userfiles/files/wibaroxeranolo.pdfIn PDF document text
- https://digicpictures.com/downloads/ledepu.pdfIn PDF document text
- http://campfirewtx.org/userfiles/file/34009751838.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16137976c5cecc---fidarafun.pdfIn PDF document text
- http://romanasulcikova.cz/userfiles/85066804023.pdfIn PDF document text
- http://christ-china.com/filespath/files/20210908065642.pdfIn PDF document text
- https://sistemagestiondpr.co/userfiles/file/wazasurijixedulej.pdfIn PDF document text
- http://hrzservices.com/uploadfiles/file/39096019409.pdfIn PDF document text
- http://gaia-onlus.org/userfiles/file/vasisamez.pdfIn PDF document text
- http://e-sportis.com/images/upload/66691026919.pdfIn PDF document text
- http://vivo-mebel.ru/upload/file/13742262844.pdfIn PDF document text
- https://jocafoto.com/fotos/file/xazuzovati.pdfIn PDF document text
- https://moderator.lt/components/com_mijoshop/opencart/image/data/files/ratuvagodukupudijamulala.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae9252c1b9---gekilomabimepodepawijov.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d7f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7F2 | 16484 bytes |
SHA-256: f627176c5e74055c49425b1c2dffd2aabb2f23fddd104741c9cb26a9f273cf31 |
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font_01_sfnt_off000102d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011aec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AEC | 10704 bytes |
SHA-256: 0e53e44f304180b948008c788f8334d95fe406fafb108d55e672bdfb7d2bd6b3 |
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