MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links to external PDF files hosted on distinct domains, characteristic of a link farm designed to obscure the ultimate destination or distribute multiple malicious payloads. The presence of 'utm_term_redirector=True' and the 'brawl stars apk mod' search term in one URL suggests a lure for potentially unwanted or malicious software.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://artepcb.com/upload/files/zawoganajasovojodu.pdf In PDF document text
- http://rivebistro.net/ckfinder/userfiles/files/92195233696.pdfIn PDF document text
- http://arisutour.com/ckupload/files/fisarumuvexi.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1613577d161ee7---zopodopisejexigukun.pdfIn PDF document text
- http://unitec-egypt.net/userfiles/file/sosikowiwikewujoveduwatok.pdfIn PDF document text
- https://vozilasavozacem.rs/files/87005942664.pdfIn PDF document text
- https://ises.smithpressautomation.com/phpsites/vertical_living/uploads/file/mobidomowatige.pdfIn PDF document text
- http://patriabrno.cz/userfiles/files/56103083913.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/biviwopeguvasen.pdfIn PDF document text
- http://lube-stc.com/ckfinder/userfiles/files/vevinatujawexit.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/advlp5t99461hvitd5nt26plvd/fosarines.pdfIn PDF document text
- https://jerseyshorepirates.com/userfiles/files/luvirozagakajiwunotud.pdfIn PDF document text
- http://robertwestlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/muxawodeletu.pdfIn PDF document text
- https://quangcaowebsite.vn/uploads/files/tunularitawefujosi.pdfIn PDF document text
- http://sanga.asia/userData/board/file/biluraweg.pdfIn PDF document text
- http://yucehukuk.com/resimler/files/51935756022.pdfIn PDF document text
- https://plasy.com/uploads/file/30496598625.pdfIn PDF document text
- https://kiaavcilar.com/upload/ckfinder/files/zekagogigiponidodijelog.pdfIn PDF document text
- http://primethailand.com/ckfinder/userfiles/files/25827393019.pdfIn PDF document text
- https://escolaalfa.com/userfiles/file/8854909648.pdfIn PDF document text
- https://aspirans.com/files/file/wupevewaxiguj.pdfIn PDF document text
- http://gloria-eurex.com/images/blog/file/16542266377.pdfIn PDF document text
- https://giaynangchieucao.com/userfiles/file/zopodaroguvezurinatajo.pdfIn PDF document text
- https://bititechnika.com/uploads/file/zorozovor.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=brawl+stars+apk+modPDF 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_off0000c527.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC527 | 17168 bytes |
SHA-256: 84a9c34ef0d89b4620436bd663b997631b4034ef850d2baaf8f1378f2b3eecfc |
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font_01_sfnt_off0000f13e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF13E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010955.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10955 | 10456 bytes |
SHA-256: 6cca3e7bcb725fde9e0c145c7ca04f1d7a83eede1fcef1f2c2afaa298c8652c1 |
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