MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a high number of external URIs, many of which point to disposable hosting. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates it's a link farm, suggesting it's used to distribute further malicious content or phishing pages. The embedded JavaScript likely facilitates the redirection or download of malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://cbdc.co/uploads/ckfinder/userfiles/files/lemapebupepogiwon.pdf In PDF document text
- http://tucholainfo.pl/userfiles/file/94224482329.pdfIn PDF document text
- http://vaynhe.com/upload/files/46755582835.pdfIn PDF document text
- http://www.accl-calibration.com/login/ckfinder/userfiles/files/molaj.pdfIn PDF document text
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613801134fe24---penemekop.pdfIn PDF document text
- http://carnow.jp/js/upload/files/19214820589.pdfIn PDF document text
- http://fence-alarm.com/userfiles/files/datilafizipofodetexila.pdfIn PDF document text
- http://thegioimaychaybo.com/app/webroot/uploads/files/rajoritovogizubasugafe.pdfIn PDF document text
- http://nattuvaartha.com/assets/ckfinder/core/connector/php/uploads/files/nuduvivanizadozixade.pdfIn PDF document text
- https://netshopnepal.com/userfiles/file/jijaridabowipuvubizewuru.pdfIn PDF document text
- http://dishandspoonproductions.com/ckfinder/userfiles/files/44139916289.pdfIn PDF document text
- http://glampingcaravan.com/userfiles/file/20210904010443.pdfIn PDF document text
- http://gitishahjahanpur.org/ckfinder/userfiles/files/43800693072.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/80480412992.pdfIn PDF document text
- https://eprobatdz.com/ckfinder/userfiles/files/wazukusesoxaso.pdfIn PDF document text
- http://wyadonline.com/userfiles/file/3816001400.pdfIn PDF document text
- http://flairpens.ru/uploads/files/79804611565.pdfIn PDF document text
- http://rimini-portal.de/bilderarchiv/file/dopedit.pdfIn PDF document text
- http://srmtteaparty.com/uploads/files/202109110944152536.pdfIn PDF document text
- http://www.gulbaharsigorta.com/contentData/file/xafepasidibatagoj.pdfIn PDF document text
- http://kkagro.com/media/images/upload/file/gebutasadamotaxipesokunor.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16130420c3fceb---68691793746.pdfIn PDF document text
- https://www.studioline.ie/ckfinder/userfiles/files/kopunaruvosuwetatasijo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+restore+deleted+videos+from+recycle+bin+in+android+phonePDF 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_off0000eb71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB71 | 18960 bytes |
SHA-256: eeb14977cc57343cfbf9c09bf6f6edb74df1657731df21f6fab3e82e632cc3e7 |
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font_01_sfnt_off00011cb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CB4 | 11284 bytes |
SHA-256: 27983eef4b68cf4f9d0ba303fd24ff4798b8393fdab838dabcdec9be0db13a28 |
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font_02_sfnt_off000136d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136D7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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