MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document body, though heavily obfuscated, contains references to downloading Windows 10 Pro ISO, suggesting a phishing or malware distribution lure. The presence of numerous external links, many pointing to disposable hosting, further supports a link farm strategy to distribute malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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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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://mut-zur-veraenderung-hambuch.de/userfiles/file/34851564127.pdf In PDF document text
- http://pwr-tech.ru/userfiles/file/59030699116.pdfIn PDF document text
- https://temahr.hr/files/86650040391.pdfIn PDF document text
- http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/30132096826.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/bf9c3b6150ceec7b32585700d278592e/66785512400.pdfIn PDF document text
- https://westhigienia.hu/editor_up/vejelomitupazalun.pdfIn PDF document text
- http://camara.acessoainformacao.org/uploads/ckfinder/files/89086527752.pdfIn PDF document text
- http://budgettranslation.hu/sites/default/files/file/dezewilubiviziz.pdfIn PDF document text
- http://gzcaifeilai.com/ckfinder/userfiles/files/202109100314575561.pdfIn PDF document text
- https://pointwebhost.com/calisma2/files/uploads/jefuzi.pdfIn PDF document text
- http://knowleangling.co.uk/ckfinder/userfiles/files/wetuvimisusuros.pdfIn PDF document text
- http://abwingsva.com/uploads/files/tufalotanaji.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/4839a3b3c05a93d40e2b1afcda557923/kajiziveriwenuxolakefaxe.pdfIn PDF document text
- http://geometrabottero.it/userfiles/files/zezexom.pdfIn PDF document text
- http://35ju.21tg.cn/uploadfile/ckeditor/files/78526691519.pdfIn PDF document text
- https://latework.cz/soubory/41757775020.pdfIn PDF document text
- https://pvcmikser.com/upload/files/76228034284.pdfIn PDF document text
- http://pamatudarbai.lt/ckfinder/userfiles/files/tawelid.pdfIn PDF document text
- https://xn--p3t29jo1ed4o4xw.tw/upload/files/tewotajenokefuretitepowo.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/zevubiwilifi.pdfIn PDF document text
- http://heyumpnd.com/userfiles/file///29470025318.pdfIn PDF document text
- https://gaadalagi.com/contents/files/16219441812.pdfIn PDF document text
- http://inkjetartandimage.com/Uploads/file/wolisuzajegulobujo.pdfIn PDF document text
- http://personnelstrategies.net/userfiles/file/35964818161.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=download+windows+10+pro+iso+freePDF 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_off0000b30c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB30C | 10652 bytes |
SHA-256: d9d762558989c72f6ff1fe810cc245de66ff3ac1247d5ea1f07f8647d1348d94 |
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font_01_sfnt_off0000cb93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB93 | 14876 bytes |
SHA-256: d62717098b7a7523a63e493a81be9c97cdc37cbc46203902b80ffd252e897fe6 |
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font_02_sfnt_off0000f10e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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