MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The heuristic findings indicate it functions as a link farm, presenting numerous links, likely to facilitate the download of a secondary payload or to direct users to phishing sites. The presence of embedded URLs and the 'download button' heuristic further support this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318d884c9df---27524996131.pdf In PDF document text
- https://mlspoland.co/files/file/xalisugiz.pdfIn PDF document text
- http://parzenica-bialka.pl/userfiles/files/10167485883.pdfIn PDF document text
- http://pokemom2.com/uploads/files/zusezazunibunur.pdfIn PDF document text
- http://akbarestate.com/survey/userfiles/files/74360670338.pdfIn PDF document text
- https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/cf0aa7e7d19c6197d0d5ba8df3538747/pexelanina.pdfIn PDF document text
- https://dortmundpools.com/contents/files/nijowawiwumusulaxufamon.pdfIn PDF document text
- http://traktor-tv.de/sites/default/files/file/ravuwabiweda.pdfIn PDF document text
- https://studiecarriere.it/uploads/file/labaru.pdfIn PDF document text
- https://aczv.fr/userfiles/file/13451710000.pdfIn PDF document text
- http://mikomisushiwc.com/uploads/files/4575559894.pdfIn PDF document text
- http://mazraeir.com/images/upload/files/18332583467.pdfIn PDF document text
- http://s-pack.kr/userfiles/file/20210913022411.pdfIn PDF document text
- http://5thaveseniors.org/userfiles/file/lidomisagajepuleninu.pdfIn PDF document text
- https://rheinfurth.de/userfiles/file/lekijominubag.pdfIn PDF document text
- http://kamnitikamini.si/upload/files/rusonokazareluwade.pdfIn PDF document text
- http://ahzycw.com/upload_fck/file/2021-9-8/20210908205122591442.pdfIn PDF document text
- http://adhunikjewellers.com/ckfinder/userfiles/files/runobelifapusonono.pdfIn PDF document text
- http://didula.com/img/file/39619946103.pdfIn PDF document text
- http://brava-ekb.ru/userfiles/file/97440430037.pdfIn PDF document text
- https://www.uflo.edu.ar/ckfinder/archivos/documentos/64556917280.pdfIn PDF document text
- https://bosingels.nl/ckfinder/userfiles/files/60134435751.pdfIn PDF document text
- http://ksiclubcom.ksiclub.org/svnprojects/DHD/Source/images/files/mezavamezutuvawopetuwu.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/28885021727.pdfIn PDF document text
- http://elitk.ru/_files/14240895185.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=monster+energy+supercross+apkPDF 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_off0000d4bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ecd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECD2 | 10712 bytes |
SHA-256: e458e541555e7bb60bfc8f005c73841d9d16b15816695c5f96ac7b2e89823e18 |
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font_02_sfnt_off000105a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105A4 | 16664 bytes |
SHA-256: 2221028c4418fd075df8753c7a3c89839229c132ef8cd393e041e1afe2ada6b1 |
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