MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document contains numerous links to disposable hosting, suggesting a tactic to obscure malicious destinations. The embedded URLs, despite some being marked benign, contribute to the overall picture of a link farm designed to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://chiaranannini.com/userfiles/files/xikokemixuvun.pdf In PDF document text
- http://s2ipower.com/survey/userfiles/files/67687201808.pdfIn PDF document text
- https://webmenuplus.com/images/file/65140811645.pdfIn PDF document text
- https://cantarefides.ro/admin/userfiles/file/7990641972.pdfIn PDF document text
- https://silverstonedevelopments.com/ckfinder/userfiles/files/4262195396.pdfIn PDF document text
- http://melly-incendie.fr/img_db/99872003822.pdfIn PDF document text
- http://ropesadventure.com/d/files/gizebepa.pdfIn PDF document text
- http://orvosvalaszto.hu/uploads/files/17979133956.pdfIn PDF document text
- http://thietbianninh188.com/uploads/files/22499567242.pdfIn PDF document text
- https://ladulceseguros.ar/noticias/fckeditor/file/26449103393.pdfIn PDF document text
- http://timnhanhonline.vn/upload/files/rujuxoxulifivuvubavo.pdfIn PDF document text
- http://weddingdove.tw/uploads/files/202109101745103208.pdfIn PDF document text
- http://shijijiaming.cn/filespath/files/20210903194321.pdfIn PDF document text
- http://honghuibio.com/d/files/71593689983.pdfIn PDF document text
- http://evrokomplekt.ru/userfiles/file/60875430163.pdfIn PDF document text
- http://turar-mussin.com/userfiles/File/72739024878.pdfIn PDF document text
- https://khangle.vn/uploads/images/files/3196466111.pdfIn PDF document text
- http://s13cf5ef.alojamientovirtual.com/ropalaboralbarata.com/userfiles/file/74315446033.pdfIn PDF document text
- http://www.barbazan-debat.fr/ckfinder/userfiles/files/54733454822.pdfIn PDF document text
- http://erictex.com/ufiles/files/nugil.pdfIn PDF document text
- http://zhatuogz.com/uploadfile/file/ponav.pdfIn PDF document text
- http://jhdljz.com/userfiles/file/1630909373.pdfIn PDF document text
- http://baominhlabors.com/upload/files/roletunujixemanosilurune.pdfIn PDF document text
- http://aranykoronakft.hu/userfiles/file/11782572638.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=is+9+a+prime+number+or+a+composite+numberPDF 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_off0000cef6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEF6 | 18432 bytes |
SHA-256: a8238c0b03be9ff71e0a75fae05892d5d48e0f54c35ea5eb58807b8abab50b71 |
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font_01_sfnt_off0000ff49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF49 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011760.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11760 | 10848 bytes |
SHA-256: 6920e89b2c6c73bf8583a97ed1db8ab9babfe2305f3f7899adbe377f17a91d71 |
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