MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to PDF files hosted on various domains, suggesting a link farm designed to obscure the true malicious destination. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and the ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0' strongly indicate a phishing or trojan distribution attempt. Although no scripts were explicitly extracted, the nature of the embedded URLs and the link farm heuristic suggest a potential for JavaScript execution or redirection to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613dbda44d807---ridatanegapifuwefave.pdf In PDF document text
- https://www.alapan.org/fckimages/file/80685892652.pdfIn PDF document text
- http://flirdining.com/uploads/files/pitenagoresedokumitobe.pdfIn PDF document text
- https://ysh.my/userfiles/file/netokajarefeka.pdfIn PDF document text
- http://canxetaianhduc.com/images/file/nenulatesofanazogeka.pdfIn PDF document text
- https://mmeasar.com/mmeasarfiles/file/mipiserokatol.pdfIn PDF document text
- http://ceresasrl.it/userfiles/files/34361959852.pdfIn PDF document text
- https://angkagenap.com/contents/files/sasokotolewosigaker.pdfIn PDF document text
- https://nk-sostanj.si/files/file/91145680035.pdfIn PDF document text
- https://cmflower-kkc.com/ckfinder/userfiles/files/vubazumoviwija.pdfIn PDF document text
- https://nyirfa.hu/uploads/files/fizekodesijafewoxe.pdfIn PDF document text
- http://laclonghotel.vn/upload/files/fujor.pdfIn PDF document text
- https://landatur.com/files/galeria/files/zigaxanarimusogilonu.pdfIn PDF document text
- https://kirbas.com/img/uploaded/file/pabiganabamidosalufesakob.pdfIn PDF document text
- http://yuemeism.com/uploadfiles/files/52197170486.pdfIn PDF document text
- https://tongdaidoanhnghiep.com/app/webroot/upload/files/87264125449.pdfIn PDF document text
- https://casasholidays.com/scgtest/team-explore/uploads/files/66102181990.pdfIn PDF document text
- http://cungcapbaoduongcuanhatban.com/upload/files/zirikewufekazuwidunumalu.pdfIn PDF document text
- https://nnt52.ru/userfiles/file/vejozumasamisum.pdfIn PDF document text
- https://b2b-intelligence.it/uploads/file/dadurix.pdfIn PDF document text
- https://alansglobalservices.com/ckfinder/userfiles/files/35567770642.pdfIn PDF document text
- http://zonweringbelgie.nl/ckfinder/userfiles/files/75929214771.pdfIn PDF document text
- http://philipp-haberland.de/images/upload/file/3770473524.pdfIn PDF document text
- http://mikllc.mn/uploads/files/57674259648.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=why+is+my+device+rootedPDF 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_off0000b4a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ccb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCB9 | 15928 bytes |
SHA-256: e6042d6177c00e5923dc8753edb3cd449d936e3bc1aff74b097f290b87e83f65 |
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font_02_sfnt_off0000f581.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF581 | 10496 bytes |
SHA-256: f1d6fe5b1a273f81cd79fd1902186050632ad9d6200585d0499b63ed3d676bc4 |
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