MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm. It contains numerous embedded URLs pointing to external PDF files hosted on various domains, suggesting an attempt to redirect users to potentially malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of using disposable hosting for link farms, which is a common tactic for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.6525
Heuristics 4
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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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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 http://www.fd.ntou.edu.tw/ckfinder/userfiles/files/5802072804.pdf In PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/64539611363.pdfIn PDF document text
- http://drdj.friend-match.com/upload/files/84462052394.pdfIn PDF document text
- http://geriatriccarenewjersey.com/userfiles/files/91480617300.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1614188629ef58---17011135425.pdfIn PDF document text
- http://paramountswimwear.com/userfiles/files/42391651920.pdfIn PDF document text
- http://kes.org/upload/editor/files/3511361088.pdfIn PDF document text
- http://nhatnamvina.vn/rich_editor/file/bagulinilumedama.pdfIn PDF document text
- http://smartvoicesys.com/userfiles/xusili.pdfIn PDF document text
- http://www.southpointinstitutehowrah.com/admin/uploads/file/pasikogezisigekonepa.pdfIn PDF document text
- http://phanphoiongnhuahoasen.vn/upload/files/pupakutudemages.pdfIn PDF document text
- http://headlinesdinerla.com/uploads/files/sadegerenafobum.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/kibesotupi.pdfIn PDF document text
- https://eownauto.com/uploadpic/files/gunawajazu.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16146905177f98---gefibazupenopukelupuvipus.pdfIn PDF document text
- https://chilepools.com/contents/files/60183190362.pdfIn PDF document text
- http://autokolcsonzoszolnok.hu/admin/fck_upload/file/83837559725.pdfIn PDF document text
- https://nikolsbeauty.com/webroot/f/uploads/file/95508977287.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d7820232b8---boxoximetilu.pdfIn PDF document text
- http://ytlcases.com/userfiles/file/wasetamexiloledaxedaso.pdfIn PDF document text
- http://kleinschaden-expert.de/userfiles/file/75017417534.pdfIn PDF document text
- https://rumahbaruku.com/contents/files/36837202012.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=american+political+systemPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF059 | 10632 bytes |
SHA-256: 17aa0975175014ad0dc67767402a39444761a89da472071e7eb36d5662a5d639 |
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font_01_sfnt_off000108b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B1 | 19088 bytes |
SHA-256: 5a39729ccbf72c8157f493e8424391b410f7cffda4f2ad72522ba5180f0166fe |
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