MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external websites, suggesting a phishing or malware distribution scheme. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this by indicating the PDF is part of a link farm on disposable hosting, likely to obscure the true destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://philabc.ru/uplcv?utm_term=the+billion+dollar+secret+pdf PDF link annotation
- https://ceiling.holcom.vn/webroot/img/files/17265848034.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210905131121.pdfIn PDF document text
- https://www.bosingels.nl/ckfinder/userfiles/files/dofim.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/vokakixanivilekozepemapox.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/84502705651.pdfIn PDF document text
- https://kawanmto.net/contents/files/ziguse.pdfIn PDF document text
- http://www.vljainandco.com/userfiles/files/20108562422.pdfIn PDF document text
- https://komunalno.vrgorac.hr/files/davolezerupu.pdfIn PDF document text
- http://kondicionery-vidnoe.ru/upload_picture/file/zajisejakozagagezedufeku.pdfIn PDF document text
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/202193925394639.pdfIn PDF document text
- http://phongkhamthienhoa.org/images/files/56292457432.pdfIn PDF document text
- http://sor1310.com/userfiles/file/nakomebevofabixe.pdfIn PDF document text
- http://servis-hradec.cz/files/file/likuf.pdfIn PDF document text
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/javilekelazo.pdfIn PDF document text
- https://wodepcb.cn/uploadfiles/files/31820353646.pdfIn PDF document text
- http://abwingsbuffalo.com/uploads/files/ramewadusogogonupe.pdfIn PDF document text
- http://technimexvn.com/images/ckeditor/files/72703711968.pdfIn PDF document text
- http://portaldo.eu/contenuti/upload/file/banenalixerufita.pdfIn PDF document text
- https://www.prieur-equipement.com/ckfinder/userfiles/files/62984610981.pdfIn PDF document text
- http://sinojjacob.com/userfiles/file/fodozazokaxepu.pdfIn PDF document text
- https://ohcsi.com/ckfinder/userfiles/files/95392122204.pdfIn PDF document text
- https://dursunguney.com/userfiles/files/nemiwisoluxolikekubob.pdfIn PDF document text
- https://nisahanpin.com/calisma2/files/uploads/85637631907.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1613a96819dac2---67668071270.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_off0000dc16.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC16 | 18468 bytes |
SHA-256: cbaef77609c67f5457fc636b4954b77234f85771e724ec1f861fa4468b52cd0a |
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font_01_sfnt_off00010bca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BCA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000123e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123E1 | 10820 bytes |
SHA-256: 6f194712a61cc31cee3acee942f289389eb02588cfc6cb571a8df31a228a4257 |
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