MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a link farm. It contains numerous external URLs, with one specifically pointing to a suspicious domain ('smidgel.ru') that appears to be a redirector. The PDF structure and the presence of external links suggest an attempt to lure users to malicious sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 5
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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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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=blade+of+awe PDF link annotation
- http://rheumatology.institute/upload/content/file/25582202039.pdfIn PDF document text
- https://bitree.com/ckfinder/userfiles/files/pajaxaxafidazadu.pdfIn PDF document text
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/rofawumusitadip.pdfIn PDF document text
- http://exito-opakowania.pl/userfiles/file/webopikimi.pdfIn PDF document text
- https://bahamianbrewery.com/ckfinder/userfiles/files/4894445233.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140bac469982---vidigupupesepeme.pdfIn PDF document text
- http://diamant-x.sk/UserFiles/file/79576685565.pdfIn PDF document text
- http://zoop-tech.com/ckfinder/userfiles/files/laxogefebuxaboluvumibaf.pdfIn PDF document text
- http://trungnguyenjsc.vn/uploads/image/files/17606823386.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613e12855ec6a---vovasejabegeberileb.pdfIn PDF document text
- http://wojno-stal.pl/pliki/file/84968157988.pdfIn PDF document text
- http://pilot-market.ru/new/files/file/jupag.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109172003345496.pdfIn PDF document text
- http://global-leasing-management.com/uf/file/fetunalub.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/12068300586.pdfIn PDF document text
- http://pretaporter-pegah.com/userfiles/file/zonimiluwisefu.pdfIn PDF document text
- http://designerhouse.ru/upload/files/luxusujupekedura.pdfIn PDF document text
- https://swiz.eu/files/editor/pitiva.pdfIn PDF document text
- http://tjsyjdq.com/v15/Upload/file/202196166537318.pdfIn PDF document text
- http://carmakers.cz/userfiles/files/burabedujadiz.pdfIn PDF document text
- http://skpizzasubs.com/uploads/files/zuxagaxaganimuder.pdfIn PDF document text
- http://fcraregistration.com/UploadedData/file/sekelitakexoren.pdfIn PDF document text
- https://adetexfoamgroup.centralcms.cloud/galeria/files/14420987671.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_off0000bb39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB39 | 9924 bytes |
SHA-256: 5561b2735d09b7fdc953a3d48c64c316f8acea3e72b385c994b501620b6466e1 |
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font_01_sfnt_off0000d14d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD14D | 17460 bytes |
SHA-256: ec8bc3a30ade6678749d45e048c05fa2c16d98024dce6cbf66d7bf700db3e59b |
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font_02_sfnt_off0000fe9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE9F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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