MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs that lead to a link farm, ultimately directing users to potentially malicious content, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic. The 'PDF_URI' heuristic specifically points to a URL that appears to be a lure for downloading a game, suggesting a phishing or social engineering tactic. No scripts were extracted, but the structure and heuristics strongly indicate a phishing attempt via a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://synerhu.ru/uplcv?utm_term=download+truck+simulator+2+android PDF link annotation
- https://doanandieuduong295doson.vn/namthuan/images/news/files/vojerunetaruruzesodivako.pdfIn PDF document text
- http://hyundai-dongdo.vn/images/files/lowezepatokotevetakumil.pdfIn PDF document text
- https://nodka.eu/ckeditor/ckfinder/userfiles/files/pulefirunulano.pdfIn PDF document text
- http://farmaciacogliate.it/userfiles/files/77972357078.pdfIn PDF document text
- http://yyfxsw.com/upload/files/gisewusupunujig.pdfIn PDF document text
- http://jjkxmy.com/upload/files/202109140505356381.pdfIn PDF document text
- http://dientrotiendathc.com/media/ftp/file/85735698311.pdfIn PDF document text
- http://vektor-bezpeki.com/userfiles/files/37191689184.pdfIn PDF document text
- http://shangrilatheshow.com/ckfinder/userfiles/files/16880701325.pdfIn PDF document text
- https://griby.biz/ckfinder/userfiles/files/44971855815.pdfIn PDF document text
- http://tuzoltosagmihald.hu/userfiles/file/89602755057.pdfIn PDF document text
- https://vitanov.rs/files/bijuwegozileterog.pdfIn PDF document text
- http://konberdbio.com/upload/files/rijexesifozumibukodalorab.pdfIn PDF document text
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/161406906e0a39---javewopijolid.pdfIn PDF document text
- https://seo-methodes.com/userfiles/file/lunibutonepi.pdfIn PDF document text
- http://remont-elektro.eu/archiv/file/wikavub.pdfIn PDF document text
- https://phongkhamtamthan.net/uploadeditor/files/dejuwi.pdfIn PDF document text
- http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/73569121817.pdfIn PDF document text
- https://redac.ch/upload/vururuvadodaxirufafis.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614138a59342f---82103235531.pdfIn PDF document text
- http://chochosanencino.com/uploads/files/56602285625.pdfIn PDF document text
- https://mobile-translator.eu/app/webroot/media/files/suselafunizegupivemowuzuw.pdfIn PDF document text
- http://quantri.thaisonpalacehotel.com/upload/files/susejuramogazutatalorer.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_off0000ca8f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA8F | 10800 bytes |
SHA-256: 7ef61bd69e48236a54e30e9e12eddcba25af5de16e2b68d228470adfbbc82628 |
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font_01_sfnt_off0000e38b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE38B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fb9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB9D | 16836 bytes |
SHA-256: 2f6e1c99188d403ede6e68dc01901f66773794afbbefbd540d328b823488accc |
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