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. It contains numerous embedded URLs pointing to various domains, suggesting a phishing or redirection campaign. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF is likely part of a link farm designed to host many disposable links, further supporting a phishing or spamming operation. No scripts were extracted, but the presence of numerous external URIs is a strong indicator of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://catamma.ru/uplcv?utm_term=best+co+op+multiplayer+games+android PDF link annotation
- https://www.uflo.edu.ar/ckfinder/archivos/documentos/rojiwonol.pdfIn PDF document text
- http://phoiinnhiet.com/images/uploads/files/selozurosuxejenasopolet.pdfIn PDF document text
- https://izyskately.ru/foto/ck/files/koziraredotedimofapal.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613270f3138aa---xiwanag.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/xujevupamafuman.pdfIn PDF document text
- http://sonhanint.com/uploadpic/sun/files/202109091405107599.pdfIn PDF document text
- https://stoneappeal.in/FCKeditor/file/dogitasemolaxifota.pdfIn PDF document text
- http://uzks.hr/upload/datoteke/tebodule.pdfIn PDF document text
- http://www.seminariomenorvalencia.com/admin/lib/ckfinder/userfiles/files/47133526933.pdfIn PDF document text
- http://abwvictory.com/uploads/files/sorofufitaduluvosagifogaf.pdfIn PDF document text
- https://lentes123.com/aym_image/files/nasajiwadotajuvopikomemut.pdfIn PDF document text
- http://huzatfokozo.hu/editor_up/xavatelot.pdfIn PDF document text
- https://danfort.lv/userfiles/file/43379569993.pdfIn PDF document text
- http://combatkuntao.com/ckeditor/ckfinder/userfiles/files/memunaril.pdfIn PDF document text
- http://neodentpetrosino.it/userfiles/files/winezoge.pdfIn PDF document text
- http://vanhacollection.com/images/files/zositekojaxuwazimu.pdfIn PDF document text
- http://alvit-bk.ru/userfiles/file/zunujikopafanena.pdfIn PDF document text
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a064155d45---busijeja.pdfIn PDF document text
- https://adminico.nl/userfiles/file/gekidenesomigivivuxejo.pdfIn PDF document text
- http://cheapmarkt.com/userfiles/file/belebujizigojebopipuzor.pdfIn PDF document text
- https://macintosh-szerviz-javitas.nuttydog.hu/ckfinder/userfiles/files/muredosejujoj.pdfIn PDF document text
- https://marwaservicecenter.com/nbloom/fckuploads/file/nuxorifemikamewemizejev.pdfIn PDF document text
- https://yaofangpeixun.com/upload/files/72563936492.pdfIn PDF document text
- http://studiofranzoni.eu/userfiles/files/figipor.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://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_off0000ef8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF8C | 16664 bytes |
SHA-256: a344913a443b86a6b39ad59320b1e67231487c7654adfbdd7c2bd9ec511cf1c1 |
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font_01_sfnt_off00011a93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000132aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132AA | 11124 bytes |
SHA-256: 1f83c0b86017ff3fe988f987183ba7e201fdd16402854af1efa5548d20a03885 |
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