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 embedded URLs pointing to external sites, many of which are hosted on potentially disposable domains, suggesting a link farm or phishing lure. While no scripts were explicitly extracted, the PDF structure and heuristic firings strongly suggest it's designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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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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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://sp3siemianowice.pl/userFiles/files/nurofumudazumug.pdf In PDF document text
- http://xz-brand.com/ckfinder/userfiles/files/fanagifujeloj.pdfIn PDF document text
- https://mehfermobilsaglik.com/userfiles/file/63108095189.pdfIn PDF document text
- http://sarigol.kr/userData/ebizro_board/file/niteratonukotig.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16140664e4abdb---57987534078.pdfIn PDF document text
- http://mskabel.cz/UserFiles/File/57661487509.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/2251205706.pdfIn PDF document text
- http://modernplating.com/userfiles/file/jujabutak.pdfIn PDF document text
- http://espicycooking.com/files/file///85566276179.pdfIn PDF document text
- http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/33267904339.pdfIn PDF document text
- http://studioghittigargnano.com/userfiles/files/runupavodoxenomuri.pdfIn PDF document text
- https://intrastorg.com/userfiles/file/68561505216.pdfIn PDF document text
- http://everintelconsulting.com/upload/file/202109160957000670.pdfIn PDF document text
- http://shoreluxurylimos.com/userfiles/files/gibikunusifokolibi.pdfIn PDF document text
- http://galaxyjewel.cn/uploadfile/files/14592052771.pdfIn PDF document text
- http://acupunctuuryao.nl/ckfinder/userfiles/files/29298284301.pdfIn PDF document text
- https://lose-weight.tw/upload/files/40057002612.pdfIn PDF document text
- http://natur-pet.cz/webpagebuilder/ckfinder/userfiles/files/mojixugivu.pdfIn PDF document text
- https://rtquery.reitoken.org/Coaching123/images/files/94739628875.pdfIn PDF document text
- http://opuspointpartner.com/ckfinder/userfiles/files/tufedesixiwugebokolir.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161306de3b0b11---xizebutewuwidamatig.pdfIn PDF document text
- http://gpe-el.pro/ckfinder/userfiles/files/67080264477.pdfIn PDF document text
- https://savitravel.ro/ckfinder/userfiles/files/xelawajuzofe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=hd+streamz+in+pcPDF 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_off0000d90f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90F | 17132 bytes |
SHA-256: d3feab0a6702dcc65d8cc5c176104bcd5e937bdf4d4679231e6da0900eed7826 |
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font_01_sfnt_off0001056a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1056A | 10560 bytes |
SHA-256: 51e0554819c03e24896401c9df5ccb1853406b92de0f3a51f6873c4afac52a96 |
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font_02_sfnt_off00011d72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D72 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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