MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous embedded links, many pointing to unknown domains, suggesting a link farm or phishing attempt. While no scripts were explicitly extracted, the PDF structure and heuristic firings like 'PDF_SEO_DISPOSABLE_LINK_FARM' point towards a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://khangvietdn.com/uploads/file/zupenanefisizetefira.pdf In PDF document text
- http://falconartistmanagement.com/ckfinder/userfiles/files/sovuxejuvokimitur.pdfIn PDF document text
- http://cmuniontravel.com/userfiles/files/wixevogazuw.pdfIn PDF document text
- https://mahae.hu/files/files/49782200907.pdfIn PDF document text
- http://huefpdf.org/upload/file/zezivudaji.pdfIn PDF document text
- http://holdemigny.fr/ckfinder/userfiles/files/40217423274.pdfIn PDF document text
- http://lamgi.pl/ckfinder/userfiles/files/18048807060.pdfIn PDF document text
- http://nghieuphong.com/upload/files/sutafobawivewevifev.pdfIn PDF document text
- http://marine-inox.com/i/File/riwuvikawirug.pdfIn PDF document text
- https://khoahoc.timviec365.com/picturesfiles/zirokededuzibajotasub.pdfIn PDF document text
- https://unitedpetexpress.unitedreloth.com/ckfinder/userfiles/files/solupe.pdfIn PDF document text
- http://master-br.ru/img/file/75715242981.pdfIn PDF document text
- http://xn--tnqz8hz5cb8l.com/upload/files/812579974.pdfIn PDF document text
- https://bostoncake888.com/UserFiles/files/kologumiwipusuxaxepe.pdfIn PDF document text
- http://adasbruiloften.nl/userfiles/file/66720772873.pdfIn PDF document text
- http://sokole-tps.pl/userfiles/file/84384456396.pdfIn PDF document text
- https://www.abandassociates.com/ckfinder/userfiles/files/tulemozobovulosaw.pdfIn PDF document text
- https://ev-owners.jp/userfiles/files/newufej.pdfIn PDF document text
- http://kxnjl.com/userfiles/files/56594149795.pdfIn PDF document text
- http://langfordfinancialservices.com/userfiles/files/90197768279.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1615e0263c9bd8---rituwonuj.pdfIn PDF document text
- https://curewelldiabetes.com/userfiles/file/31461797225.pdfIn PDF document text
- http://micronforgacsolo.hu/UserFiles/file/bebevovepidu.pdfIn PDF document text
- https://migger.dk/userimages/file/56561180592.pdfIn PDF document text
- http://travel-door.com/userfiles/file/73890857356.pdfIn PDF document text
- http://feedproxy.google.com/~r/Xvkpad/~3/RhDyTiV0TgQ/uplcv?utm_term=valium+for+tooth+painPDF 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_off0000e19d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE19D | 17808 bytes |
SHA-256: 16558b36ebb8ec9044ec6f0a227af4023b37059441fe9c06aaa01f3b175a3647 |
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font_01_sfnt_off00010f94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F94 | 10392 bytes |
SHA-256: 2fad449cdcdcc9995e835d786e1f7c1995bcaafcb65ef9c1af57919c88356592 |
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font_02_sfnt_off000126d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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