MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The presence of embedded JavaScript (PDF_JS) suggests the execution of malicious code, likely to download or redirect to a secondary payload. The PDF also contains numerous external URIs, many of which point to potentially malicious domains, suggesting a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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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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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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 https://wecareu.net/ckfinder/userfiles/files/77168768172.pdf In PDF document text
- https://mimpishio2.com/contents/files/28740632504.pdfIn PDF document text
- https://istanbularicilikfestivali.com/upload/ckfinder/files/28302562155.pdfIn PDF document text
- http://hueide.com/upload/files/riduz.pdfIn PDF document text
- http://rutka.pl/media/upload/files/f1720c79194340eced847fd158f9f53b.pdfIn PDF document text
- https://ukmriptek.org/codeIgniter-hmvc/userfiles/files/96327905223.pdfIn PDF document text
- http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/vijutebejisiteregamibe.pdfIn PDF document text
- https://threadworx.com/thread/admin/uploads/file/jazepirimorijawewukimof.pdfIn PDF document text
- http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/bijavupimivumonafob.pdfIn PDF document text
- http://aa-nusd.jp/56837906657.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/sb9rvkvi451ubenm2in1i82cpd/22274584643.pdfIn PDF document text
- http://joyear.com/ckfinder/userfiles/files/62042574802.pdfIn PDF document text
- https://www.twibiotech.com/plugin/ce1/ckfinder/userfiles/files/sevotufujoberawujekine.pdfIn PDF document text
- https://konyaalotaksi.com/userfiles/file/xirixazapomiramizijufo.pdfIn PDF document text
- http://tubemakingmachine.com/uploadfile/files/kebekasagi.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7079f2347---towesefotedibiganoxubiri.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/52750062039.pdfIn PDF document text
- http://hnc2.com/userfiles/file/67341615374.pdfIn PDF document text
- http://airsoft1.ro/files/file/likawamasojedodajag.pdfIn PDF document text
- https://www.willmarareachamber.com/ckfinder/userfiles/files/nanifexobemowupu.pdfIn PDF document text
- https://syntellect.ru/Repository/file/90129074545.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/68652857908.pdfIn PDF document text
- http://krakowska98.com/zdjecia/fck/file/43430515934.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=index+of+series+californicationPDF 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_off0000c967.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC967 | 10524 bytes |
SHA-256: 01006696bec08b1c53bc33ab1a7605a6848d3212b6b33a05959d8163b8517272 |
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font_01_sfnt_off0000e18b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE18B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f99d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99D | 18408 bytes |
SHA-256: 5c9ade80c119a92e86fc64c38fd7d4ba74ca40d0df8f1939b1b1f82452a53599 |
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