MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which point to external PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this, indicating the PDF is designed to distribute links. While no scripts were explicitly extracted, the nature of the embedded URLs and the overall structure point towards a phishing or malware distribution campaign, likely initiated via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://studioferrato.it/userfiles/files/33281475843.pdf In PDF document text
- http://vo23.ru/upload/file/72063959472.pdfIn PDF document text
- https://optical-axis.com/uploads/files/202109121151407977.pdfIn PDF document text
- https://ptkas.com/kingkong/userfiles/files/8524547250.pdfIn PDF document text
- http://mengnuanua.com/app/webroot/files/files/57207574262.pdfIn PDF document text
- http://jolanyee.com/upload/files/202109110025322946.pdfIn PDF document text
- https://oazapiekna.com/zdjecia/fck/file/82049543778.pdfIn PDF document text
- http://zhongguohuachun.com/d/files/mabemojuronanotix.pdfIn PDF document text
- http://boldogelet.hu/media/46023570168.pdfIn PDF document text
- https://youkuvpn.com/upload/files/norudifilekele.pdfIn PDF document text
- http://helloslow.com/data/userfiles/files/78453263576.pdfIn PDF document text
- https://stayinbranson.com/ckfinder/triplebuserfiles/file/39682457783.pdfIn PDF document text
- http://xszhuhai.com/uploadfiles/files/soputadojozepuvakedefete.pdfIn PDF document text
- http://thietbiotovn.com/Images_upload/files/43590222606.pdfIn PDF document text
- https://nutstudio.it/userfiles/file/17091775387.pdfIn PDF document text
- http://machulski.com/public/file/nasizitixakab.pdfIn PDF document text
- http://www.diplomat2014.ru/ckfinder/userfiles/files/figadopegiwil.pdfIn PDF document text
- http://eastcity.hu/ufiles/file/bupasino.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138faf5243b0---fasutonax.pdfIn PDF document text
- http://honyi.tw/ckfinder/userfiles/file/29898171925.pdfIn PDF document text
- http://state-lithium.com/upload/files/fokot.pdfIn PDF document text
- https://at1-turbo-j3t.com/contents/files/jiporulobutapuz.pdfIn PDF document text
- https://telechips.com/ckfinder/userfiles/files/wizarorujikupulakow.pdfIn PDF document text
- http://murasakijr.com/uploads/files/1503340399.pdfIn PDF document text
- http://www.bc-arman.kz/ckfinder/userfiles/files/54199221843.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=bollywood+movies+torrent+sitesPDF 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_off0000b3db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3DB | 16212 bytes |
SHA-256: 376dbd5e12c902db32d132096cecb0c96366c77a67de6e71574a3730fe7d4176 |
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font_01_sfnt_off0000dd63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f57a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF57A | 10568 bytes |
SHA-256: f86bed0e96740ce83969baa250f16413d66c6a6fc261975f47385849597ca652 |
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