MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, with high confidence. The 'SE_PAYMENT_REDIRECT_LURE' heuristic indicates the document's content is designed to trick users into believing there are new or changed bank instructions, a common tactic in business email compromise scams. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a redirection mechanism, likely to a malicious payload or phishing page.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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 http://koovappadyscb.com/ckfinder/userfiles/files/74739146804.pdf In PDF document text
- https://oolong-dining-co.com/webroot/editor-uploads/files/73722441070.pdfIn PDF document text
- http://kfnmsz.com/upfolder/e/files/20210919001244.pdfIn PDF document text
- http://embeddedhr.com/ckfinder/userfiles/files/zinijibidabupagipijukew.pdfIn PDF document text
- http://happyhanool.com/ckupload/files/42042093896.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/2392037582.pdfIn PDF document text
- http://rjbmachinery.com/d/files/66217638000.pdfIn PDF document text
- http://veterina-hrib.cz/user-uploads/files/zezalilejolovitutapofobux.pdfIn PDF document text
- http://thegioidahoacuong.com/uploads/image/files/88543719665.pdfIn PDF document text
- http://sswjeans.com/files/12681513065.pdfIn PDF document text
- https://webkapper.nl/ckfinder/userfiles/files/61253746656.pdfIn PDF document text
- https://cobrawire.com/userfiles/files/94532039270.pdfIn PDF document text
- http://yakutiaprime.ru/SITE/files/editor/file/timad.pdfIn PDF document text
- https://bosgo.mn/uploads/files/tobidijoboganusunisoxal.pdfIn PDF document text
- http://vanhacollection.com/images/files/24622641286.pdfIn PDF document text
- https://porfic.com/fotos/file/bufekipuzibavejoso.pdfIn PDF document text
- https://kham.vn/userfiles/file/luzejadeligaluganisad.pdfIn PDF document text
- http://sov.tranovice.cz/webpagebuilder/ckfinder/userfiles/files/42714007650.pdfIn PDF document text
- https://1tlstar.com/storage/uploads/files/87233261410.pdfIn PDF document text
- http://www.trackls.com/application/ckeditor/ckfinder/userfiles/files/gokedi.pdfIn PDF document text
- https://masukpt1.com/contents/files/jekimuj.pdfIn PDF document text
- https://www.aaptuk.org/ckfinder/userfiles/files/22612079842.pdfIn PDF document text
- http://audyt.rowerowaszkola.pl/imgturysta/files/5530440475.pdfIn PDF document text
- http://managhantasala.net/mailuserfiles/file/64613283380.pdfIn PDF document text
- http://www.morrisjones.co.uk/EditorImages/file/34891555465.pdfIn PDF document text
- https://rzfmuhasebe.com/userfiles/file/genemaboludanufademijizu.pdfIn PDF document text
- https://magicdiscoradio.hu/userfiles/file/90483796343.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+see+if+someone%27s+account+is+privatePDF link annotation
- 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_off0000e068.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE068 | 10872 bytes |
SHA-256: 5923bc9545a5ff42105481fbda182fc452f6c03fb06effc49052cac2fce1328a |
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font_01_sfnt_off0000f9a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9A0 | 17488 bytes |
SHA-256: 50d3dd713a9a90e817700d11d7c6c9aec52eb527f5bce55b76c62445b418e9e3 |
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font_02_sfnt_off000126b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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