MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which are part of link farms, suggesting a phishing or malware distribution campaign. The PDF structure and the presence of external URIs point towards an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://chcial.ru/uplcv?utm_term=three+different+types+of+rainfall PDF link annotation
- https://hantverkarenisandby.se/UserFiles/files/murojuguperorevolulexunu.pdfIn PDF document text
- http://msslink.ru/userfiles/files/venomanimi.pdfIn PDF document text
- https://deepex.hu/hirek/files/bujowagegogo.pdfIn PDF document text
- https://eravukappalpalli.com/userfiles/file/fokinumejulakizowuw.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161436aba663ae---wedadiwab.pdfIn PDF document text
- https://univerosg.com/ckfinder/userfiles/files/jawinisesepixu.pdfIn PDF document text
- https://carrieres-pierre.com/userfiles/file/5986759773.pdfIn PDF document text
- http://speednewslive24.com/assets/ckfinder/core/connector/php/uploads/files/66733091737.pdfIn PDF document text
- https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/39634875380.pdfIn PDF document text
- http://smart.sut.ac.th/tsme/src/lib/ckfinder/userfiles/files/99711947546.pdfIn PDF document text
- http://co-wemart.com/careeruserfiles/file/45410975510.pdfIn PDF document text
- https://macroedunet.com/userfiles/file/72321537015.pdfIn PDF document text
- https://cokhivietuc.com/img-vietuc/files/sovobodamakotodozuj.pdfIn PDF document text
- http://hzxf.com/images/upload/File/wunukivud.pdfIn PDF document text
- http://thepnguyentran.com/media/ftp/file/ditidelifamivikamiramuja.pdfIn PDF document text
- http://yotlist.com/uniformkontakt/userfiles/image/files/57423600199.pdfIn PDF document text
- https://clic-essc.ch/ck/ckfinder/userfiles/files/56111141673.pdfIn PDF document text
- http://standardamulet.com/files/files/20715718389.pdfIn PDF document text
- http://www.samuitns.com/image/upload/File/5755948006.pdfIn PDF document text
- https://corpusbg.com/files/fck/file/72791648477.pdfIn PDF document text
- http://fra2ange.it/userfiles/files/vivew.pdfIn PDF document text
- https://klubkanine.com/home/klub/public_html/ckfinder/userfiles/files/gupowijoku.pdfIn PDF document text
- https://xosobacninh.vn/webroot/img/files/namorexirerufopudisitam.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/i3f5nljgjtjs4a52cblkj2ccak/96737846489.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/14836877668.pdfIn PDF document text
- https://www.cascatai.com.br/ckfinder/userfiles/files/zipovodutupolixokalodene.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_off0000f43b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF43B | 18572 bytes |
SHA-256: e448e3a33322c7e68477fc80418c0a03801f8caf3c74b2e83676ee9ab1e70d73 |
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font_01_sfnt_off0001241f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1241F | 10672 bytes |
SHA-256: ba883181039b8641bfdd9c8c9ad1884687dd382c84f01635e3276449f027cd2b |
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font_02_sfnt_off00013c83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13C83 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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