MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by multiple heuristics, including a high-confidence ML classifier and ClamAV detection, indicating malicious intent. The 'SE_BROWSER_INSTALL_LURE' heuristic strongly suggests the document's purpose is to trick the user into installing a malicious browser extension or update. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a phishing or malware delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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://huanghecables.com/d/files/60478874880.pdf In PDF document text
- http://khamtribacninh.com/images/files/tidezarujikin.pdfIn PDF document text
- http://888spirits.com/userfiles/file/gupibimenibewopabesu.pdfIn PDF document text
- http://derkwoo.com/upload/editor/files/wabewasebe.pdfIn PDF document text
- http://stroyindustry.com/userfiles/file/37450412517.pdfIn PDF document text
- http://morebricks.com/ckfinder/userfiles/files/kafuxisuvulipoxezite.pdfIn PDF document text
- http://grotech.in/userfiles/file/jeweg.pdfIn PDF document text
- http://client.diffuse.info/files/xawolakoriladojazero.pdfIn PDF document text
- http://studiotecnicomartani.eu/userfiles/files/fiwuwatewe.pdfIn PDF document text
- http://saatgaamkansarasamaj.com/admin/uploads/files/gosagesig.pdfIn PDF document text
- https://ls-machinery.com/uploadpic/files/202109101827565870.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/6623abd5ab4ba3e920a58a29e18dbadf/kufawutu.pdfIn PDF document text
- http://www.lovebliss.tw/UserFiles/files/botokolatamiriwu.pdfIn PDF document text
- http://deleeuwputten.nl/site/data/ws/files/lumusulufona.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/lapif.pdfIn PDF document text
- https://paysecure.ro/ckfinder/userfiles/files/wagonulokab.pdfIn PDF document text
- http://www.ctmmaximoravenna.com/ckfinder/userfiles/files/13626110091.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141f1ffb0108---miwidixe.pdfIn PDF document text
- http://sprinter-lab.ru/content/File/penizogidosapunodosid.pdfIn PDF document text
- https://speedwayinfo.hu/uploads/file/25306229323.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/13195359441.pdfIn PDF document text
- http://teifsepahan.com/files/file/xenadixibibonaminogoxi.pdfIn PDF document text
- http://solartgaleria.hu/images/file/34203107374.pdfIn PDF document text
- http://linuxnewyork.com/draft/media/riwulisifisejomalabo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=grindr+premium+apk+2021PDF 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_off0000e7bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7BB | 10648 bytes |
SHA-256: ae77cd9a1c974dc47f986923174700f102651540592daea6f66cceb33c17bd36 |
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font_01_sfnt_off00010020.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10020 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011832.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11832 | 18576 bytes |
SHA-256: fe100edb057c6e37136433524032ce5bb8bdadb84bae77c2dd07c2e7447714fe |
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