MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV with a Pdf.Phishing.Trojan signature. Static analysis reveals it functions as a link farm, directing users to multiple external URLs, some hosted on compromised CMS platforms. The presence of numerous links and the use of 'utm_term' parameters suggest an attempt to drive traffic for potentially malicious purposes, such as phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3221
Heuristics 6
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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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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=watch+21+jump+street+online+free PDF link annotation
- https://radio-clipa.ro/userfiles/file/gakupebo.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16132471806305---21131323957.pdfIn PDF document text
- http://crocepadrekolbe.it/userfiles/files/loladulizafigodazevitaf.pdfIn PDF document text
- http://vonschickenconcord.com/uploads/files/xuxasedobizifamuna.pdfIn PDF document text
- http://www.dr.schure.net/ckfinder/userfiles/files/58188786388.pdfIn PDF document text
- http://jmestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vurizakijelufujixetob.pdfIn PDF document text
- http://dedanskecasinoer.dk/userfiles/file/19717076093.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/161309e438b5b5---63747613627.pdfIn PDF document text
- https://cupanghitam.com/contents/files/18951071062.pdfIn PDF document text
- http://alrabbanoilandgas.com/file/files/lefatux.pdfIn PDF document text
- http://puebloexec.com/userfiles/file/gobavumamivowuvutumojif.pdfIn PDF document text
- http://kbchina.de/upload/zijasi.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202109110313556769.pdfIn PDF document text
- https://ctners.com/ckfinder/userfiles/files/29997112800.pdfIn PDF document text
- https://ascii.tn/web/cgi/file/60205037047.pdfIn PDF document text
- http://dezmaster.com/userfiles/file/2947432796.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/pqjlqrechu2uuevkk0nqqqhprp/rulagababov.pdfIn PDF document text
- http://wib24-admin.de/uploads/file/tezilewefenimanonupava.pdfIn PDF document text
- http://tongrentangthai.com/UserFiles/file/kunid.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/4c702fe27a52fdadbf29495d97bd9273/dowabitowulapugowasu.pdfIn PDF document text
- http://levakov132.ru/userfiles/file/silop.pdfIn PDF document text
- http://philipp-haberland.de/images/upload/file/demubixale.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210904023531718.pdfIn PDF document text
- https://e-ssuances.com/ckfinder/userfiles/files/7983454998.pdfIn PDF document text
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/hjjq7enkmibto278jokhs6hq56/75696450080.pdfIn PDF document text
- http://www.prakashirrigation.com/uploads/fck/files/72794927344.pdfIn 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_off0000cbbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBBE | 17000 bytes |
SHA-256: 6406763c93b315d7a5e2bb4128c73e5cd7f96e8ac21ffb2027e99132791f2bff |
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font_01_sfnt_off0000f7bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010fd4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FD4 | 11140 bytes |
SHA-256: d5a089f05a9b085b910ea8307b12e5e7444e2b14d69d0eb9a3cfc5a3bac543cc |
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