MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The numerous external URLs, many of which are part of link farms on disposable hosting, suggest a phishing or credential harvesting campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to trick users into downloading further malware or visiting malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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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://krisoc.ru/uplcv?utm_term=pacquiao+in+mobile+legends PDF link annotation
- https://tjp2-hotlink-j3t.com/contents/files/91614773851.pdfIn PDF document text
- http://anadolumatbaa42.com/genelresimler/file/87777755027.pdfIn PDF document text
- http://beta-rc.com/upload/files/98053306920.pdfIn PDF document text
- http://kemmurad.com/webroot/img/files/32063178124.pdfIn PDF document text
- http://prasongp.com/file_media/file_image/file/53663063085.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/tjsuuglno0332046ps3apl5f1c/41447238357.pdfIn PDF document text
- http://tatagz.com/uploadfile/files/42243309494.pdfIn PDF document text
- http://songpinhao.com/userfiles/files/55210269357.pdfIn PDF document text
- http://bluebirdcanada.com/FileData/ckfinder/files/20210919_28B5520A6DCD2CAE.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/6dab88d88e486da182c3825fa2e05b8f/51590109358.pdfIn PDF document text
- http://eiak.org/upload/editor/files/zigatejiminudakafe.pdfIn PDF document text
- http://refinerlink.com/userfiles/file/49458659311.pdfIn PDF document text
- http://autostyle-japan.com/js/upload/files/56050092766.pdfIn PDF document text
- http://centrlita.ru/archive/image/file/72420275391.pdfIn PDF document text
- https://blnk.eu/userfiles/files/21016490088.pdfIn PDF document text
- http://aliceinformaticasrl.com/user/pages/84260619585.pdfIn PDF document text
- https://novamakine.com/upload/ckfinder/files/piniwipajusebu.pdfIn PDF document text
- http://halaljones.com/uploads/files/13431642892.pdfIn PDF document text
- http://prompol.com/media/file/zaxoboboxipisuvaxuxur.pdfIn PDF document text
- http://ambvetfanini.eu/userfiles/files/zuxozagobeponenudozix.pdfIn PDF document text
- http://dent-pro.cz/pic/file/xozekanibutoxep.pdfIn PDF document text
- https://tcremich.lu/files/files/19013953337.pdfIn PDF document text
- http://terredellamagnagrecia.com/userfiles/files/69388743081.pdfIn PDF document text
- http://quatangsongvan.com/hinhanh_fckeditor/file/nezezolefadanubobaxavave.pdfIn PDF document text
- http://tubesealer.com/uploaded/file/1111491805613d4a4a8a410.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_off0000bd43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD43 | 19800 bytes |
SHA-256: 1457fe774846feaf9b6ef842347815feaaa2ad5f2791f54e187e3214d53a778b |
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font_01_sfnt_off0000f050.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF050 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010867.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10867 | 10900 bytes |
SHA-256: 5ba583162325c2dd42f511a3aba47ece81c00e12af5ea2254642c69166b869bd |
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