MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics indicate the document functions as a link farm, directing users to numerous external websites, many of which are hosted on disposable domains. This pattern is commonly used for phishing or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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 http://hcstonetw.com/uploads/files/202109062004329274.pdf In PDF document text
- http://huerural.com/uploads/image/files/24410611997.pdfIn PDF document text
- http://aa-nusd.jp/sibozanijal.pdfIn PDF document text
- http://flashdisplay.net/UploadFiles/FCKeditor/20210903021553.pdfIn PDF document text
- http://nieruchomosci-swidnica.pl/userfiles/file/46129284322.pdfIn PDF document text
- http://kamennykoberec.eu/editor_uploads/system/files/74607706788.pdfIn PDF document text
- https://www.prshots.com/ckfinder/userfiles/files/15341467303.pdfIn PDF document text
- http://proxima-online.it/public/file/34361167967.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/tamesozijozefuxanavefude.pdfIn PDF document text
- http://eternaseguros.net/files/files/6888552191.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614134bb774d5---83706831497.pdfIn PDF document text
- http://uniontsg96.ru/admin/ckfinder/userfiles/files/95101185618.pdfIn PDF document text
- https://legouic-peinture.fr/userfiles/file/35089332156.pdfIn PDF document text
- https://cursosadistanciayonline.com/medios/files/vemuz.pdfIn PDF document text
- http://www.naturhalles.fr/fckeditor/userfiles/file/pozugegodurixazopa.pdfIn PDF document text
- https://deltarents.com/upload/ckfinder/files/wutupir.pdfIn PDF document text
- http://nhagiatxanh.com/public/default/ckeditor/files/zewototuwato.pdfIn PDF document text
- https://limsurempat.com/contents/files/xurik.pdfIn PDF document text
- http://woori-tour.kr/FileData/ckfinder/files/20210902_8E960ED4C93A0DA5.pdfIn PDF document text
- https://goldengatetaichiqigong.com/userfiles/file/jagabuzavaleminuwidavama.pdfIn PDF document text
- http://sintniklaas.kinderopvangpimpeloentje.be/ckfinder/userfiles/files/xonizubuxobepababawaxi.pdfIn PDF document text
- http://ptk-tent.ru/userfiles/file/zobetefuv.pdfIn PDF document text
- http://www.globalnautique.nl/upload/files/nolebudezuduju.pdfIn PDF document text
- http://b40555.handyfriendship.com/upload/files/sorapiwezadorogolanazi.pdfIn PDF document text
- http://upasamed.org/Content/uploads/files/90189807301.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=grand+theft+auto+iv+mod+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_off0000d520.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD520 | 10848 bytes |
SHA-256: c225867367659e9bed8c56b66b57e3512428e931b3263fc4d185e3332c62d449 |
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font_01_sfnt_off0000edfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001060f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1060F | 17916 bytes |
SHA-256: 3f1376761093ac5ba09e9e98743c72a057527682c5774d6ac247a0016afc6037 |
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