MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised websites and disposable hosting domains. The primary purpose appears to be phishing or malware distribution through these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://pixomot.ru/uplcv?utm_term=k+means+clustering+choosing+k PDF link annotation
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614f4e5e1190f---97136379113.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161355e5a3d20a---93258114028.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/luzutapa.pdfIn PDF document text
- http://carbonelite.ru/file/nezasuvu.pdfIn PDF document text
- http://jagodkaprzedszkole.pl/userfiles/file/90653894371.pdfIn PDF document text
- http://snap-drone.com/userfiles/file/xizodonomafonaleju.pdfIn PDF document text
- http://solo-reisen.com/media/images/file/78017918545.pdfIn PDF document text
- http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/61461186504.pdfIn PDF document text
- http://alarm.pl/userfiles/file/57670249464.pdfIn PDF document text
- http://quetthe.com/upload/files/18286586534.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612f18ab04f6a---jememebepo.pdfIn PDF document text
- http://nenayu.com/filespath/files/20210904024608.pdfIn PDF document text
- https://chatham-ebenezer.ckdomain.com/uploads/userfiles/files/98064713290.pdfIn PDF document text
- http://thenikharvconsultancy.com/userfiles/file/14756341842.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/wanuriwadunibiwajasowul.pdfIn PDF document text
- https://newsru.md/upload/userfiles/files/vimenesisotatamas.pdfIn PDF document text
- https://goldfieldssanddrags.com.au/ckfinder/userfiles/files/19617709859.pdfIn PDF document text
- http://dainichiji.com/upload_ckr/files/8597675351.pdfIn PDF document text
- http://aktien-analyse.de/images/File/madolugerabejiditudimi.pdfIn PDF document text
- http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16153e150ee880---wedewaru.pdfIn PDF document text
- http://phukhoabacninh.com/images/files/wajakapokuniludigon.pdfIn PDF document text
- http://maslag.eu/userfiles/file/kiwaxilif.pdfIn PDF document text
- http://asr-net.ru/uploads/files/23105737587.pdfIn PDF document text
- http://seowonbattery.com/files/fckeditor/file/121786484161508bb3b3997.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_off0000b3dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3DD | 16820 bytes |
SHA-256: ff8a2fd74be28e596e6d6c365f7005aa0308ab99da0f592d5d5b2ce9d2ffe9b9 |
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font_01_sfnt_off0000de82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE82 | 10860 bytes |
SHA-256: 4f60ddd45116454583ecdc3be0dba745d56dafddf1e288e33c5788bc1d65f0e2 |
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font_02_sfnt_off0000f764.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF764 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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