MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs, with one heuristic specifically identifying it as a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of embedded URLs and the nature of the heuristics point towards an attempt to redirect users to malicious sites, likely as part of a spearphishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://oniceh.ru/uplcv?utm_term=archer+season+11+episode+1+full PDF link annotation
- http://ohdiabo.net/images/ckeditor/files/wanezufedunigoko.pdfIn PDF document text
- https://srilangkapools.com/contents/files/nefopokenijovugobi.pdfIn PDF document text
- https://bakwanudang.com/contents/files/gijizobopapixe.pdfIn PDF document text
- http://labradory.pl/file/gegopi.pdfIn PDF document text
- https://pastelbuilders.com/userfiles/file/94970474088.pdfIn PDF document text
- https://xn----7sbbg1ddpkdc.xn--j1amh/uploads/files/17938434472.pdfIn PDF document text
- http://ty-universe.com/image/files/20210902_150028.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/81502877312.pdfIn PDF document text
- http://dominoliberec.eu/images/file/files/tetife.pdfIn PDF document text
- https://mujeresenmovimientoplus.com/userfiles/file/25966770385.pdfIn PDF document text
- https://ymy-tea.tw/upload/files/22964727394.pdfIn PDF document text
- https://wrd13.com/force/file/melitodopoduvi.pdfIn PDF document text
- http://americandeliorder.com/uploads/files/72244784275.pdfIn PDF document text
- https://biocoils.com/img/file/49833488703.pdfIn PDF document text
- http://peaceinsrilanka.lk/userfiles/file/xilaxazutagalotekeda.pdfIn PDF document text
- http://carrozzeriardue.it/userfiles/files/dunotefot.pdfIn PDF document text
- http://laconchigliacasevacanze.it/userfiles/files/pixofozena.pdfIn PDF document text
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/e60d23672fa669d93edbf3526e8d9a7a/duxulado.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613239a00e749---5173007535.pdfIn PDF document text
- http://togclick.com/media/userFckfiles/file/94775524346.pdfIn PDF document text
- http://lauraestetica.com/userfiles/files/dafubo.pdfIn PDF document text
- http://laskod.hu/userfiles/file/73536847792.pdfIn PDF document text
- https://gestcargo.com/uploadfiles/file/95995238991.pdfIn PDF document text
- http://ranahytta.com/ckfinder/userfiles/files/45885452207.pdfIn PDF document text
- http://artikos.pl/userfiles/file/27301632815.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_off0000e83e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE83E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010055.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10055 | 10752 bytes |
SHA-256: b87e53400cbe6c497ed38dc808066630a259c9da46a3c4bef5f60239ded2193b |
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font_02_sfnt_off00011901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11901 | 19048 bytes |
SHA-256: bc44311757361864dfa68fb1b7a7a95324549df2fc26fa977fc85000e10c7b23 |
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