MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
The PDF document exhibits characteristics of a phishing lure, specifically a browser extension installation scam. It contains numerous external URIs, many pointing to disposable hosting, and is flagged by ML classifiers as malicious. The document body, though heavily obfuscated, suggests a lure related to downloading content, aligning with the 'Browser Install Lure' heuristic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://inwebjor.ru/pbw?utm_term=sinhala+romance+novel+pdf+download PDF link annotation
- https://megidawuxuta.weebly.com/uploads/1/3/4/7/134729580/guwasufi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421365/normal_5fdc79ddcba1f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366995/normal_602545ee9a905.pdfIn PDF document text
- https://xepekozodixati.weebly.com/uploads/1/3/5/3/135346226/00c6240d6d76.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4384144/normal_5fc5960f99b60.pdfIn PDF document text
- https://mirenixumevi.weebly.com/uploads/1/3/5/3/135309561/756ce07f60177e.pdfIn PDF document text
- https://mogisitubetaw.weebly.com/uploads/1/3/4/4/134496388/nurexejapigejisuj.pdfIn PDF document text
- https://badivilaw.weebly.com/uploads/1/3/4/8/134848312/5779226.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kalunagepigi.pbworks.com/f/descargar_juegos_de_carros_para_celular_tctil_gratis.pdfIn PDF document text
- http://sikovifif.pbworks.com/f/choices_hack_android_no_verification_or_survey_or_download.pdfIn PDF document text
- http://xemademeku.pbworks.com/w/file/fetch/144692829/julius_caesar_play_translation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/451ad045-0cba-4c12-8710-b3e62251b053/4540305527.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cf615689-0b13-494e-9bb2-e5cd6dd88e7b/31685907628.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e36a717a-cb2f-41ad-99a9-44704f94385d/battlefield_5_firestorm_for_android.pdfIn PDF document text
- http://lipadune.pbworks.com/w/file/fetch/144623916/51898358450.pdfIn PDF document text
- http://bovojigu.pbworks.com/w/file/fetch/144711825/why_i_am_an_atheist_essay.pdfIn PDF document text
- http://kigiputilik.pbworks.com/w/file/fetch/144733518/finasuzonitipekobirada.pdfIn PDF document text
- http://genarozep.pbworks.com/f/19608689659.pdfIn PDF document text
- http://xawasesofe.pbworks.com/w/file/fetch/144876039/wuwovopoduwakuwelali.pdfIn PDF document text
- http://jagimikat.pbworks.com/w/file/fetch/144668265/jovemarafakuvox.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ded2383-8a91-461f-a1ba-d51b2746666d/how_to_say_catholic_prayers_in_latin.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000edc7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC7 | 5472 bytes |
SHA-256: 5359046a5098ffcd8bf0fcefde67c3b6c8c6a1999dca6745a30fad5713c0c026 |
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font_01_sfnt_off00010053.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10053 | 12120 bytes |
SHA-256: 2cf224858b0e9cc1b94bebc0e646a1cb156d9115102267b564f0f81522a7871b |
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