MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded links pointing to a variety of domains, many of which appear to be part of a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a malicious attempt to obscure the true destination or distribute malware. ClamAV also detected this file as 'Pdf.Phishing.Trojan'. No scripts were extracted, but the structure and link farm indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://www.poole.ed.jp/system/ckfinder/userfiles/files/gamosidubasulimasovaki.pdf In PDF document text
- http://pjzhengwang.com/upload/file/20210911_103538_175.pdfIn PDF document text
- https://varida-tech.com/ckfinder/userfiles/files/44837834629.pdfIn PDF document text
- https://systematix.pl/userfiles/file/topirami.pdfIn PDF document text
- http://immobilieninvestors.com/userfiles/file/kulikafudaniso.pdfIn PDF document text
- http://vinhthuanvietnam.com/upload/files/93702389292.pdfIn PDF document text
- http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/vapifekabimebozazeb.pdfIn PDF document text
- http://rfaaa.com/UploadFile/file/20210918001913191.pdfIn PDF document text
- http://inkjetartandimage.com/Uploads/file/kumibofabosuj.pdfIn PDF document text
- http://af.ssla.ru/images/fornews/files/92791816700.pdfIn PDF document text
- https://vaynhanh365.net/contents/files/xugobukiduvepes.pdfIn PDF document text
- http://tokyosushilohaus.com/uploads/files/sanubeg.pdfIn PDF document text
- https://xyoaa.org/sites/default/files/files/76312953030.pdfIn PDF document text
- http://warwick-ems.org/userfiles/file/44359918958.pdfIn PDF document text
- https://greenfuturevietnam.com/Upload/files/86556100092.pdfIn PDF document text
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ac99c66d13---jejoxuwivotidunewoxug.pdfIn PDF document text
- https://www.nitdgp.ac.in/uploads/userfiles/files/muvil.pdfIn PDF document text
- http://skulpt.in/admin/uploads/file/savoga.pdfIn PDF document text
- http://dealershop.es/userfiles/file/17550722956.pdfIn PDF document text
- http://ipllaser.in/uploads/3829214314.pdfIn PDF document text
- http://schroniskoorzechowce.pl/ckfinder/userfiles/files/58750119916.pdfIn PDF document text
- http://rujiahk.com/uploadfiles/file/talebowagosefiguwurevu.pdfIn PDF document text
- http://maskaevlawyer.ru/userfiles/file/zamesuxanexovadugovim.pdfIn PDF document text
- https://inunekocp.jp/mailmagazine/upload/files/datuxezunuvenenoxudiwaxo.pdfIn PDF document text
- https://haltia.mx/sii/ckfinder/userfiles/files/kejevipizolage.pdfIn PDF document text
- http://cs-golfclub.com/ckupload/files/vuditoleji.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/HTGXzuRVGb4/uplcv?utm_term=hs+code+for+picturesPDF 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_off0000cbd6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e3ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3ED | 10392 bytes |
SHA-256: 2cfd7ccabfb71c7d0fb5f30ce584dcc4a2fb850a7c7027c766809a6898695a23 |
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font_02_sfnt_off0000fb8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB8A | 20140 bytes |
SHA-256: 047cfa708e7bfa33b8b89c3c72ce50fdda6fc4f3d64342c8ee5d3af760beb742 |
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