MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many of which are on disposable hosting and utilize UTM parameters, indicating a link farm designed to redirect users. The presence of embedded JavaScript, though not explicitly detailed in the provided evidence, is a common technique for malicious PDFs to execute actions or redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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=bollywood+movie+downloader+for+android PDF link annotation
- https://lomasdelaweb.com/userfiles/2008.09/file/litesoxilunesifodudike.pdfIn PDF document text
- http://evola.it/userfiles/files/38676209388.pdfIn PDF document text
- https://perfecthospital.org/ckfinder/userfiles/files/42961801653.pdfIn PDF document text
- http://apartament-krokus.pl/userfiles/file/popejuwinifut.pdfIn PDF document text
- http://novastal.pl/userfiles/file/91427519402.pdfIn PDF document text
- http://buyyoutubesubscribers.com/ci/userfiles/files/71132256257.pdfIn PDF document text
- http://4chan.ro/UserFiles/file/48372884576.pdfIn PDF document text
- http://ctkupavna.ru/upload/file/tidagelabubokofeva.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/wewesogonepizexatobowot.pdfIn PDF document text
- https://actsonics.com/uploads/files/202109070908248729.pdfIn PDF document text
- http://tangneylaw.com/admin/images/file/gavuruzuladodozutob.pdfIn PDF document text
- https://www.eos.org.eg/ckfinder/userfiles/files/24304559539.pdfIn PDF document text
- http://fisioterapiasuzzara.it/userfiles/files/28480134589.pdfIn PDF document text
- http://thumpamonpally.com/userfiles/file/dudorukepiv.pdfIn PDF document text
- http://www.asiacoservice.com/file/files/ditenisep.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/fecf3b361a0c17e1dc784e279b63320c/23468459042.pdfIn PDF document text
- http://duetsepolno.pl/userfiles/file/50646887296.pdfIn PDF document text
- http://bikipvuikhoedep.com/app/webroot/files/editor_upload/files/57372406123.pdfIn PDF document text
- http://faizleathergloves.com/userfiles/files/vukokafo.pdfIn PDF document text
- http://kyea.org/imageuploads/87048360318.pdfIn PDF document text
- http://sportsclinicwest.ie/media/contents/file/51948075028.pdfIn PDF document text
- http://robbes.nl/media/files/21488642419.pdfIn PDF document text
- http://koovappadyscb.com/ckfinder/userfiles/files/peverefisupupurejipile.pdfIn PDF document text
- http://nguyenxuanhuong.com/upload/files/81777174034.pdfIn PDF document text
- http://beverly.kopanramen.com/uploads/files/99515493757.pdfIn PDF document text
- http://ankamet.com/userfiles/file/gosepukonuvumuxep.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_off0000b521.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB521 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cd33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD33 | 14356 bytes |
SHA-256: 9b419513af7618692a12559ea49dcd1b02d0ca91dbaedda811db92127b2c36dd |
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font_02_sfnt_off0000f0e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0E0 | 10568 bytes |
SHA-256: 41d3d9796cdfda4f6817d3467275504cb10151c0f41abea5a9210867f2f01c9e |
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