MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which are disguised as downloadable PDF files, suggesting a link farm designed to distribute malware. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically a phishing or trojan distribution campaign. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document designed to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://smidgel.ru/uplcv?utm_term=apk+free+tips+mobile+tracker PDF link annotation
- https://eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/7776452393.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/somegabakebo.pdfIn PDF document text
- https://expobar.vn/app/webroot/files/images/pages/files/vovevaxebez.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/72954593286.pdfIn PDF document text
- http://righetti-ticozzi.it/userfiles/files/miwipixuwatasidumaj.pdfIn PDF document text
- http://icaalliance.org/filespath/files/20210903235204.pdfIn PDF document text
- http://exms.fr/sites/default/files/file/83060493687.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16139eb1109507---sufodibipuxupugevumiw.pdfIn PDF document text
- http://mazraeir.com/images/upload/files/17704498459.pdfIn PDF document text
- http://evaemlak.com/userfiles/file///foxefag.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16130a129a5a77---dekoda.pdfIn PDF document text
- http://naturestuff.nl/siteimages/file/zetovegin.pdfIn PDF document text
- https://djecijagarderoba.me/userfiles/file/lonununerifupat.pdfIn PDF document text
- http://yves-segers.be/userfiles/files/12939618601.pdfIn PDF document text
- http://wo-kop.pl/userfiles/file/82143037224.pdfIn PDF document text
- https://ismet.com.br/ckfinder/userfiles/files/ralabelegasin.pdfIn PDF document text
- https://spacio.hk/attachment/file/limisutizabipowuzex.pdfIn PDF document text
- http://btsoft.vn/uploads/files/21772192598.pdfIn PDF document text
- https://romalasergroup.com/userfiles/files/35657343834.pdfIn PDF document text
- http://printrun.nl/userfiles/files/82344966296.pdfIn PDF document text
- https://ofcourselc.com/admin/uploadsfile/21844845840.pdfIn PDF document text
- https://duocvinhkim.com/userfiles/file/sesadomag.pdfIn PDF document text
- https://www.area-tlc.com/public/ckfinder/userfiles/files/35959271627.pdfIn PDF document text
- http://amoy-art.com/Upload/file/mibenivu.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_off0000c51f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC51F | 10748 bytes |
SHA-256: f61d89a543e578f94760f1fcc54f0163ad3c13951a13d8b1da31afae8e72183d |
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font_01_sfnt_off0000ddbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDBB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f5cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5CD | 17500 bytes |
SHA-256: 7006c1719933886c780cce0fbfb55ec2ebae8e97572a2d821537e907f0e249cc |
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