MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs, many pointing to disposable hosting and employing UTM parameters, suggesting a phishing or malware distribution scheme. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a link farm designed to obscure the true destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://crysiq.ru/uplcv?utm_term=lyka+apk+app PDF link annotation
- http://educasters.co/ckfinder/userfiles/files/63476063156.pdfIn PDF document text
- http://pibar.tw/uploads/files/202109040710226166.pdfIn PDF document text
- http://hodori247.com/uploads/files/jujujubojagifidijisusuguj.pdfIn PDF document text
- http://www.santabriganti.org/admin/ckfinder/userfiles/files/68866863262.pdfIn PDF document text
- http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/25187811049.pdfIn PDF document text
- http://mathrainbow.com/userfiles/file/vogales.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/zolobopus.pdfIn PDF document text
- https://bomberosdenavarra.com/userfiles_nexo/files/kezur.pdfIn PDF document text
- http://24x7taazasamachar.com/assets/ckfinder/core/connector/php/uploads/files/biwanapidiguk.pdfIn PDF document text
- https://rrrc.us/userfiles/file/tageviboteli.pdfIn PDF document text
- http://mirai-kankyo.com/userfiles/files/54267629055.pdfIn PDF document text
- http://lamexmarket.com/uploads/files/91982779876.pdfIn PDF document text
- http://sciattella.net/images/file/fepofiwemigeg.pdfIn PDF document text
- https://defi128.phpascal.com/userfiles/files/dadulusafake.pdfIn PDF document text
- http://autothudo.vn/upload/fck/file/womijeg.pdfIn PDF document text
- https://cam-ceeds.org/ckfinder/userfiles/files/45071748588.pdfIn PDF document text
- http://swissies.lt/ckfinder/userfiles/files/29007909793.pdfIn PDF document text
- http://lexxyin.net/files/fckeditor/file/domogokemadadizowodeso.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/fugikov.pdfIn PDF document text
- https://andrejc.si/files/file/78654983425.pdfIn PDF document text
- http://chaitraglaze.com/uploads/9936276427.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161346a0c1c680---27949983010.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/6f7m8h5752dro4j8ojfs7q4704/digitav.pdfIn PDF document text
- https://portalkucharski.pl/app/webroot/media/files/bijebizava.pdfIn PDF document text
- http://hortherbpublisher.com/files/upfiles/file/31391414652.pdfIn PDF document text
- http://ghinelliarchitettura.it/userfiles/files/gafowexizebiwizedeli.pdfIn PDF document text
- https://castilloexterior.net/ckfinder/userfiles/files/revemijuxamikiwik.pdfIn PDF document text
- https://rt9.rspo.org/ckfinder/userfiles/files/76540277564.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_off0000df7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF7B | 18936 bytes |
SHA-256: 009037fd5e4c9302918aaca2fabbdf2327c01d03c085d529723f8303e9f6db76 |
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font_01_sfnt_off00011086.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11086 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001289c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1289C | 9548 bytes |
SHA-256: 2f40d2e8ff54a706b6df99827a2cb6d460044486aca4f5ccf01ec91dc7f24627 |
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