MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs and is identified as a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure and embedded URLs point towards an attempt to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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=class+11+microeconomics+chapter+2+notes+pdf PDF link annotation
- http://burfel.ru/upfiles/files/mopotomul.pdfIn PDF document text
- https://elmawadah.com/userfiles/file/95056097233.pdfIn PDF document text
- https://www.albriug.com/static/editor/ckeditor/ckfinder/upfile/files/70138792620.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/bevenele.pdfIn PDF document text
- https://indobaliart.com/sitefiles/file/buwikogazebabepulujawut.pdfIn PDF document text
- http://rebizplus.com/userfiles/file/teganejal.pdfIn PDF document text
- https://florissantdesign.nl/docs/Image/file/72113568008.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/f9310b30ea69b2136801906aabed9ed7/modiwubefobabebolu.pdfIn PDF document text
- http://maimungkorn.com/UserFiles/file/36616409194.pdfIn PDF document text
- http://wefocusdesign.com/upload/files/48309318025.pdfIn PDF document text
- https://expobar.vn/app/webroot/files/images/pages/files/55331586863.pdfIn PDF document text
- http://futiandj.ntgis.com/UploadFile/2021/09/30/file/20210930_203237_118.pdfIn PDF document text
- https://coolingrealestate.com/your-home-cleaner/FCKuploads/file/setovafivubelu.pdfIn PDF document text
- https://lingchuanfloor.com/app/webroot/userfiles/files/kojazobijokozagadimulolew.pdfIn PDF document text
- http://anhuizpyy.com/upload_fck/file/2021-9-18/20210918011120652353.pdfIn PDF document text
- http://alompar.hu/uploads/content_files/files/3879976198.pdfIn PDF document text
- http://qiangka.com/ckfinder/userfiles/files/widedonedudamegufasado.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/5078bc5fd22810394cc3f69d141295e8/zogikegojajajapawegowu.pdfIn PDF document text
- http://uklearningnetwork.com/userfiles/file/5851264647.pdfIn PDF document text
- https://cafesca.org/ckfinder/userfiles/files/fupof.pdfIn PDF document text
- http://laxycoffee.com/upload/files/27957416131.pdfIn PDF document text
- https://yennenga.org/business_school/uploads/file/lerimozexo.pdfIn PDF document text
- http://www.lovebliss.tw/UserFiles/files/8262461803.pdfIn PDF document text
- http://ashokarefrigeration.com/userfiles/file/gidevidinuvebekumukexe.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/33968722959.pdfIn PDF document text
- http://cheniou.handysociality.com/upload/files/18555486290.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_off0000b4a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4A0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ccb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCB2 | 15396 bytes |
SHA-256: 2ed4065cabfdabe784d83248f9dcfbdd857792b817166c70c6d1ad79298cb12e |
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font_02_sfnt_off0000f2cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2CD | 11088 bytes |
SHA-256: ca3ea2e89f4d87aec882b9724ca562e63e1af0731cfdefed1aee7f1106546633 |
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