MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristic 'SE_BROWSER_INSTALL_LURE' suggests the document's content is designed to trick the user into installing a browser extension or update. While no scripts were directly extracted, the PDF structure and numerous embedded URLs point towards a phishing or malware distribution scheme, likely involving the exploitation of client execution vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 http://24horasnoar.com.br/ckfinder/userfiles/files/54665275696.pdf In PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16141ce40ce054---45966814339.pdfIn PDF document text
- https://mbbs.hr/files/83194656360.pdfIn PDF document text
- http://staresecurity.com/userfiles/file/nufawuwojesesuwava.pdfIn PDF document text
- http://adamslakeband.org/userfiles/file/132817598.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/a40eff2dc79572a030d2fe3a8a221fb5/mibinuw.pdfIn PDF document text
- https://2ruoteexpo.it/ckfinder/userfiles/files/joxavekuxuxopujif.pdfIn PDF document text
- http://cybernet.asia/UserFiles/File/25077120775.pdfIn PDF document text
- https://treasurehunterdetectors.com/ckfinder/userfiles/files/17324458866.pdfIn PDF document text
- http://karpatskiles.ru/store/files/nulunivege.pdfIn PDF document text
- http://umrllc.com/userfiles/files/ruvasonusavijit.pdfIn PDF document text
- http://zamaro.cz/images/fcke_files/file/90966957457.pdfIn PDF document text
- http://pozitron-s.ru/userfiles/file/63540880155.pdfIn PDF document text
- http://familiegravesen.dk/ckfinder/userfiles/files/35771306797.pdfIn PDF document text
- http://balbu.hu/uploads/news/file/98245068289.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/74435613114.pdfIn PDF document text
- https://happycondo.leaddeehub.com/userfiles/files/23228866156.pdfIn PDF document text
- http://kimandyoo.com/userfiles/file/safez.pdfIn PDF document text
- http://cka-shiba.com/ckfinder/userfiles/files/74583964139.pdfIn PDF document text
- https://dnm.tw/uploads/files/202109110115515050.pdfIn PDF document text
- https://prtl.pl/userfiles/file/jezeturubirotubozigefaj.pdfIn PDF document text
- http://fratellilongoni.com/userfiles/files/wurunilokexugifozukojod.pdfIn PDF document text
- http://surtek.biz/image/files/20150330_101405.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/vawerifelu.pdfIn PDF document text
- http://topnotchimports.com/ckfinder/userfiles/files/kabalusoxapisogoxufolat.pdfIn PDF document text
- http://tencanpowder.com/d/files/ziwofozisixanowo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=pokemon+go+spoofing+locations+2020PDF link annotation
- 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_off0000b790.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB790 | 16296 bytes |
SHA-256: 29db38a898f529cd4f876948e57a0424652f9530204a9a45e19877e042a1e6eb |
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font_01_sfnt_off0000e0c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f8df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8DF | 11056 bytes |
SHA-256: 3663fe48cda5ded210f18d3db464021c82f4a112d23f63795dd773b7f1f8308d |
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