MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, flagging it as a phishing trojan. It contains numerous external URLs, indicating a link farm designed to redirect users. The PDF structure and embedded content suggest it's part of a phishing campaign, likely using spearphishing attachments as the initial access vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
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://synerhu.ru/uplcv?utm_term=best+graphics+android+games+offline PDF link annotation
- http://www.maderas-navarro.com/ckfinder/userfiles/files/jovoxuxafenomimi.pdfIn PDF document text
- https://heritran.vn/uploads/news_file/raberabamamuziwopapop.pdfIn PDF document text
- http://omnoiptv.com/outscapes/admin/ckeditor/uploads/ck/files/52769816535.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/56642453747.pdfIn PDF document text
- http://nexxosrealty.com/userfiles/files/naluvilomofupojupajemolak.pdfIn PDF document text
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/80974957610.pdfIn PDF document text
- http://yuha.be/_files/file/duvuvogivarabafokok.pdfIn PDF document text
- https://perfecthospital.net/ckfinder/userfiles/files/wigedukokoponinagu.pdfIn PDF document text
- https://behbehaniprojects.com/uploads/files/22520166695.pdfIn PDF document text
- http://contelex.it/userfiles/files/83604828011.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/97366456213.pdfIn PDF document text
- https://volnynaklad.cz/data/file/9415065843.pdfIn PDF document text
- http://cnwt.mgo.cool/upfile/files/2021/09/07/68727490975.pdfIn PDF document text
- https://alwillislifecenter.org/ckfinder/userfiles/files/51800364164.pdfIn PDF document text
- https://rsebolivia.org/userfiles/file/75716803953.pdfIn PDF document text
- https://osakaav.com/userfiles/files/21675146497.pdfIn PDF document text
- http://creptiles.dk/userfiles/file/547442792.pdfIn PDF document text
- https://nhabe.com.vn/ckfinder/userfiles/files/18720100166.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133e59323f34---poxabujepi.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/54435673225.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16137e0eeb0c48---disodafakukibumidupuzus.pdfIn PDF document text
- https://peoplesmodelinternational.com/ckfinder/userfiles/files/sesinarojoma.pdfIn PDF document text
- http://locnuocvietmy.com/Images_upload/files/96169984776.pdfIn PDF document text
- http://tes-sys.com/uploads/ckfinder/files/20210912/16314129763365.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_off00010d69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D69 | 17388 bytes |
SHA-256: 498b1821f397e188510aedc36d3bb9614a6ce10f0eea17bb9f859f5eab32ee32 |
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font_01_sfnt_off00013aae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AAE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000152c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x152C5 | 11120 bytes |
SHA-256: 879b51f9e5675c0d9d8b36b840928bfc77e0ae9848551da70a9a9a197361e8b1 |
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