MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a high number of external URIs, many pointing to disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or initiating further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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 http://xhzhengli.com/upload/36382151183.pdf In PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/40641532165.pdfIn PDF document text
- http://thrifty-uy.com/files/others/20309353099.pdfIn PDF document text
- http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/belivawujowimizoduwu.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/1kcbg651l32v94dls0or5ifm34/17064288955.pdfIn PDF document text
- http://dotbamboo.com/file_media/file_image/file/8849054063.pdfIn PDF document text
- http://virus-safe-zone.com/ckupload/files/ramefowezar.pdfIn PDF document text
- http://greenflameenergy.com/userfiles/file/79825190098.pdfIn PDF document text
- http://nagyberki.hu/sites/default/files/fck_uploads/file/joxovibujud.pdfIn PDF document text
- http://traslochimontalto.it/userfiles/files/72638431134.pdfIn PDF document text
- http://kelkenaghshband.com/app/webroot/img/files/81745840916.pdfIn PDF document text
- https://braindevelopmentmaps.org/userfiles/files/silaf.pdfIn PDF document text
- http://kotolantopeni.cz/file/48858494061.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/eca387627ee4c27bdda018306c062e9a/sutixodivofobipokun.pdfIn PDF document text
- http://lexus-custom.com/js/upload/files/23466044186.pdfIn PDF document text
- http://martonaroniskola.net/userfiles/file/70992182514.pdfIn PDF document text
- http://asvpp.fr/pdf/mabulesagalimovubarusozil.pdfIn PDF document text
- http://www.psoealora.es/ckfinder/userfiles/files/17691715901.pdfIn PDF document text
- http://gocoachfox.com/userfiles/file/nirazetowedupokosemu.pdfIn PDF document text
- https://honkakuji.jp/honkakuji/images/ckfinder/files/kasedikixitagi.pdfIn PDF document text
- https://mycocoa.org/images/upload/files/56839939582.pdfIn PDF document text
- https://vsetinrally.cz/userfiles/file/49529581498.pdfIn PDF document text
- http://dhleisure.com/ckupload/files/43148980116.pdfIn PDF document text
- http://dzstock.com/Upfiles/file/93849203614.pdfIn PDF document text
- http://csc0512.com/userfiles/file/20210902042752_vgj48b.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=memories+song+download+pagalworld+mp4PDF 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_off0000c67a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC67A | 10792 bytes |
SHA-256: 38d4d2cc62e5934b0b3b50d6418d2b0a72636f30f2ac94adfda553edb67c8425 |
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font_01_sfnt_off0000df2c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF2C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f73e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF73E | 17568 bytes |
SHA-256: 92122c1d97b9b48f194042d775ee554cbe05063fb09d8f1f019a0018e6ee17be |
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