MALICIOUS
166
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, and heuristics indicate it is a browser extension installation lure. This suggests the PDF is designed to trick users into downloading and executing malicious software disguised as a necessary browser update or plugin. No scripts were extracted, but the PDF structure and heuristics point towards a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 6
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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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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://alicantea.centralcms.cloud/galeria/files/59913311715.pdf In PDF document text
- https://laetitiabernard.fr/images/file/goxigikiwuwijazafuw.pdfIn PDF document text
- https://serrechevalier-skifun.com/imagesfile/87595414402.pdfIn PDF document text
- http://fuhua.tumujike.com/assets/upload/files/202109011451153226.pdfIn PDF document text
- http://peterpan1996.it/userfiles/files/6882500830.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f70361e69e---1192159887.pdfIn PDF document text
- http://adria-ex.com/images/blog/file/83468656241.pdfIn PDF document text
- http://ibarugi.com/fckeditor/userfiles/file/tazeziruriki.pdfIn PDF document text
- http://ubytovna-krumlov.cz/userfiles/file/49171634970.pdfIn PDF document text
- http://studiofagiani.eu/userfiles/files/49948980619.pdfIn PDF document text
- https://e-tta.com/app/webroot/userfiles/files/94971550104.pdfIn PDF document text
- https://tidurmalam.com/contents/files/41961817761.pdfIn PDF document text
- https://avenue102.com/uploads/file/81903654099.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/binukakusegipojeligiv.pdfIn PDF document text
- http://danguykhoidoanhnghiephp.vn/Upload/files/pepakotemoxetetun.pdfIn PDF document text
- http://alituncer.com/userfiles/file/8944874653.pdfIn PDF document text
- http://kompletucetnictvi.cz/files/file/padofegivafitipavufebogu.pdfIn PDF document text
- http://csp.hu/editor_up/tutipudekekovo.pdfIn PDF document text
- https://birotex.rs/images/files/jajak.pdfIn PDF document text
- http://thietbiytedaibao.com/media/files/99151551372.pdfIn PDF document text
- http://geometracosentino.com/userfiles/files/9415697954.pdfIn PDF document text
- https://best-label.com/upload/files/33445275639.pdfIn PDF document text
- http://petraifevronii.ru/ckfinder/userfiles/files/48994493013.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/21835044126.pdfIn PDF document text
- https://implantsdentairesdesmoulins.com/upload/editor/file/44520758884.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=take+screenshot+android+10PDF link annotation
- http://e1pl2.nazwa.pl/busy/fotki/file/28167356775.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_off0000e3e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E3 | 19264 bytes |
SHA-256: bd65df199bc4364cee1aff217826cbc7d335be38fd2d98e34abb37f8728333ed |
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font_01_sfnt_off000115ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012dc5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC5 | 10648 bytes |
SHA-256: c293256971b605d8f4edfe3aa33bf4545a71c44641f6d260037e6bbbb93bde46 |
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