MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable or unknown domains, characteristic of a link farm designed to redirect users. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this purpose, aiming to obscure the ultimate malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://matricula.netlandschool.cl/files/37085246762.pdf In PDF document text
- http://1careglobal.com/upload/files/16796642701.pdfIn PDF document text
- https://csodamalom.hu/files/files/41318848265.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/23388787385.pdfIn PDF document text
- http://defhjdrjioo.friend-match.com/upload/files/tujuziz.pdfIn PDF document text
- https://kildevangen.dk/files/34088499227.pdfIn PDF document text
- http://bio-scan.com/userfiles/file/8200522000.pdfIn PDF document text
- http://kramnyca.info/img/upload/editor/file/wevudadokamugukuso.pdfIn PDF document text
- http://shijijiaming.net/filespath/files/20210909053657.pdfIn PDF document text
- https://tekartltd.com/upload/files/3577763455.pdfIn PDF document text
- http://dhf-china.com/d/files/tifunevumelolut.pdfIn PDF document text
- https://deshpanday.com/ckfinder/userfiles/files/pikeseritenoxufisipemejak.pdfIn PDF document text
- https://cartolmania.it/file/31163709882.pdfIn PDF document text
- http://www.taxivanclass.com/uploads/ckfinder/files/69589225369.pdfIn PDF document text
- http://chapelguild.com/images/usr/12662224782.pdfIn PDF document text
- https://processwork.archerhuang.com/ConImg/files/katarebojizeroseti.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/8ulguis5mi94e6r12u2kbe6r0o/ronovemozeguroveben.pdfIn PDF document text
- http://mcrlclient.gilcom.ro/ckfinder/userfiles/files/68604643708.pdfIn PDF document text
- http://sten.kr/club/data/userfiles/file/20210906193521.pdfIn PDF document text
- https://maviet.vn/upload/files/zolubanokakoloveravak.pdfIn PDF document text
- https://hoangvan.vn/wp-content/uploads/files/79603811286.pdfIn PDF document text
- http://wmsone.com/eimages/file/potegejosubik.pdfIn PDF document text
- https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac927800c0---zodawuj.pdfIn PDF document text
- https://theloneranger.tv/clients/loneranger/ckfinder/userfiles/files/bepuvexosazexidig.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=ios+14+emoji+download+for+android+apkPDF 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_off0000bff5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFF5 | 17408 bytes |
SHA-256: 1496eae3e3617db00b13ca05b5441ffbde5a3674c75b5df535582cd9a4eea34a |
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font_01_sfnt_off0000ed38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED38 | 10952 bytes |
SHA-256: 8f7ac62439b5b86b0c8c9249ba7da5e2a3a7a56ff48efbb5c4ddc4e30ae10ad0 |
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font_02_sfnt_off000106a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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