MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to external PDF files, suggesting a link farm or redirection mechanism. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports the idea that this PDF is part of a scheme to distribute malicious content or phish users. No scripts were extracted, but the overall structure and URL distribution point towards a phishing or malware delivery campaign.
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://cuacuonbinhduong.com/upload/files/berilamimivolibigezujibex.pdf In PDF document text
- http://bmcnx.com/userfiles/file/87999420142.pdfIn PDF document text
- http://sushigonewildtogo.com/uploads/files/fawege.pdfIn PDF document text
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/7592e2e2d6ed2b3435f9d2f01331e67c/55492009600.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613236cb4349e---zuvuzurasepoviketu.pdfIn PDF document text
- https://phuketwebstudio.com/ckfinder/userfiles/files/47225827011.pdfIn PDF document text
- http://ageddfjtj.pretty-match.com/upload/files/86135994361.pdfIn PDF document text
- http://csc0512.com/userfiles/file/20210917092757_7yedkw.pdfIn PDF document text
- http://clinicaveterinariagoitese.it/userfiles/files/ronafe.pdfIn PDF document text
- http://franceplus.fr/userfiles/file/82656529987.pdfIn PDF document text
- http://msiutilities.biz/documents/43720422654.pdfIn PDF document text
- http://asiancfea.org/userfiles/file/sokasixofawumere.pdfIn PDF document text
- http://aallergy.friend-match.com/upload/files/23112664564.pdfIn PDF document text
- http://3bbb.fr/ckeditor/upload/files/folefa.pdfIn PDF document text
- https://chambredhotes-savoie.com/ckfinder/userfiles/files/xefofigubodibefefobesor.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/gixalenajuguwumamisapi.pdfIn PDF document text
- http://e-photo.lv/ckfinder/userfiles/files/tamisaxaziruvawajivetos.pdfIn PDF document text
- https://dogathermalhotel.com/resimler/files/85446369433.pdfIn PDF document text
- https://ixiu-23.com/uploads/files/202109072353453933.pdfIn PDF document text
- https://viboot.traigiongthuha.com/ckfinder/userfiles/files/zotibine.pdfIn PDF document text
- http://ramenhajimetustin.com/uploads/files/2169540315.pdfIn PDF document text
- http://hadt.vn/upload/files/gipado.pdfIn PDF document text
- http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/rufixadudefovaxudo.pdfIn PDF document text
- http://auswallendorf.de/userfiles/file/wuvoz.pdfIn PDF document text
- https://atvatextile.com/upload/ckfinder/files/bopasuwidebuxazik.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=android+screencast+windows+10PDF 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_off0000d000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD000 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e812.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE812 | 17492 bytes |
SHA-256: 9730d50e36fa20c83ef1596626150c8314bba19ab87b01484285a739dcdd535e |
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font_02_sfnt_off00011528.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11528 | 10560 bytes |
SHA-256: bef30f456ad80f91155564aa53aefa28dfb73d1561d935f64b2f0da56142c591 |
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