MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a QR-code lure. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://chcial.ru/uplcv?utm_term=swann+security+camera+dvr-4575+manual PDF link annotation
- http://speckletrack.com/update/editor/file/95513456197.pdfIn PDF document text
- https://haciendaloscipreses.cl/upload/file/397351651.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/vulakekovima.pdfIn PDF document text
- https://hotelindigha.com/FCKeditor/file/711127313.pdfIn PDF document text
- http://studiomarcheluzzo.it/userfiles/files/70166067976.pdfIn PDF document text
- http://shophouse.info/images/files/95234192295.pdfIn PDF document text
- http://asavn.vn/uploads/userfiles/files/29532397468.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/elpjgi087ah8bkg6t3a3enl5j2/78002097064.pdfIn PDF document text
- http://longarmacademy.net/fckeditor/userfiles/file/jusiwun.pdfIn PDF document text
- http://lulanjina.net/upload/files/zetorudajimumubogotuvokid.pdfIn PDF document text
- http://noithatachau.vn/webroot/img/files/83173871335.pdfIn PDF document text
- http://avs-market.ru/admin/ckfinder/userfiles/files/dijowogobal.pdfIn PDF document text
- https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/520015604.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-6/20210906080527648153.pdfIn PDF document text
- http://reklamavysocina.cz/UserFiles/File/25733401494.pdfIn PDF document text
- http://aaz.sk/editor_uploads/files/31591704819.pdfIn PDF document text
- http://philipwillettelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/35739896237.pdfIn PDF document text
- http://popmetre.com/news/files/54933876904.pdfIn PDF document text
- http://hoadon-dientu.net/images/files/37654750535.pdfIn PDF document text
- http://needychild.org/ckfinder/userfiles/files/41513059234.pdfIn PDF document text
- http://webinaris.training/ckfinder/userfiles/publics/files/kopovimewazizedorapanifi.pdfIn PDF document text
- http://zjhywt.com/images/upload/File/tirakuwosuzaguxotuf.pdfIn PDF document text
- https://aokman-drive.com/d/files/dulosokozaruwuziraka.pdfIn PDF document text
- http://bhartiyambeohari.in/userfiles/file/27750188532.pdfIn PDF document text
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/10927058122.pdfIn PDF document text
- http://syekp.gr/sites/default/files/file/1476432643.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_off0000c878.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC878 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e08a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE08A | 17380 bytes |
SHA-256: 24434353ffd29de165667fe56842399e5a4334c50d1501f307d3c560f86f59fc |
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font_02_sfnt_off00010d22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D22 | 11148 bytes |
SHA-256: 20f14babb9111e2f09aa6841ae2fe778383f78e0b2eef56207081c27017081f6 |
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