MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1190 Exploit Public-Facing Application
The PDF contains embedded JavaScript and multiple external URIs, indicating malicious intent. The heuristic 'SE_QR_LURE' suggests the document instructs users to scan a QR code, a common tactic for phishing or directing users to malicious sites. The ML classifier and ClamAV detection strongly support the malicious verdict, pointing towards a phishing or trojan distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://infrive.ru/uplcv?utm_term=scan+qr+code+on+iphone+7 PDF link annotation
- http://kbcsisa.com/upload/fckeditor/file/80711798002.pdfIn PDF document text
- http://nmways.com/uploads/fckupload/file/98515662284.pdfIn PDF document text
- https://thietbixaydungcantho.com/canthomobile2/public/images/sanpham/files/buroferipuguxisiwodo.pdfIn PDF document text
- https://mimpishio2.net/contents/files/nofodukemukab.pdfIn PDF document text
- http://aunay-sous-auneau.fr/ckfinder/userfiles/files/78128007507.pdfIn PDF document text
- https://balarampurblock.in/ckfinder/userfiles/files/87307773335.pdfIn PDF document text
- https://floresdeserrezuela.com/aym_image/files/gutorojixudub.pdfIn PDF document text
- http://jlicentral.com/images/authors/file/xumudezuwoxejulu.pdfIn PDF document text
- https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/vowodagudexusep.pdfIn PDF document text
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sovaregibanufakononogegiw.pdfIn PDF document text
- http://tsuiteru66.com/userfiles/file/vevolaxusagapu.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613460ab38910---seleguze.pdfIn PDF document text
- http://yunnanyingxiang.com/ckfinder/userfiles/files/tupofonerajokajejuw.pdfIn PDF document text
- http://fosterfreezesantarosa.com/uploads/files/motuju.pdfIn PDF document text
- https://ihappywash.com/uploads/files/202109102158403424.pdfIn PDF document text
- http://freeski.hu/freeski/file/tugutelumepodewafibimis.pdfIn PDF document text
- http://kasargod.net/uploads/file/92474399524.pdfIn PDF document text
- http://www.espace-hotelier.com/ckfinder/userfiles/files/33775103455.pdfIn PDF document text
- http://xedaphcm.com/luutru/files/50207758093.pdfIn PDF document text
- http://baovekhucongnghiep.com/upload/files/defuvezurubamud.pdfIn PDF document text
- https://tort-art.ru/userfiles/file/80039585890.pdfIn PDF document text
- https://indikino.com/ckfinder/userfiles/files/vimoduzenumi.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/c4c9c24f7ed387f7682dfb1055baa40a/mexoja.pdfIn PDF document text
- http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/57481365844.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_off0000d99c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD99C | 18064 bytes |
SHA-256: b7ae94ddb0f78f99abb87306005787ba1783be200ecd4db5d2a68e10d0933bc2 |
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font_01_sfnt_off00010845.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10845 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001205c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1205C | 10568 bytes |
SHA-256: b3f192d1aa964c684fc6e7a918176de50565c48f193ae9a0eda0edc439964cfa |
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