MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various PDF files hosted on potentially disposable domains, suggesting a link farm designed to distribute malware or phish users. While no scripts were explicitly extracted, the nature of the embedded URLs and the heuristic firings strongly indicate a malicious intent to redirect users to 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://huyndaicaudien.com/upload/files/fagaru.pdf In PDF document text
- https://congnghiepxd204.vn/upload/files/wunafip.pdfIn PDF document text
- http://zxsolar.com/d/files/65505283148.pdfIn PDF document text
- https://noithatkuongthinh.com/uploads/files/18221122414.pdfIn PDF document text
- https://pergamine.com/ckfinder/userfiles/files/tuwurufupimozejir.pdfIn PDF document text
- https://jss-moms.si/upload/File/vixovikop.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3842d62de---33164066455.pdfIn PDF document text
- http://dzstock.com/Upfiles/file/16873002935.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/22770216992.pdfIn PDF document text
- http://immobilieninvestors.eu/userfiles/file/ferupefenimekomado.pdfIn PDF document text
- http://frickcontrols.com/uploads/files/68554480713.pdfIn PDF document text
- http://ei-windykacja.pl/upload/file/52123175866.pdfIn PDF document text
- http://urbancollab.com/userfiles/Proj_Name/files/31868405279.pdfIn PDF document text
- https://hirurgija.me/files/doniwusadumepigujiso.pdfIn PDF document text
- http://blesk-stroy.ru/userfiles/files/41736516870.pdfIn PDF document text
- http://lightofislamonair.org/uploads/files/javepetafafajax.pdfIn PDF document text
- https://hoalavender.net/upload/files/votabololeboma.pdfIn PDF document text
- https://techielingo.com/fck_uploads/files/62820046240.pdfIn PDF document text
- https://beautifullifeuk.com/wp-content/plugins/super-forms/uploads/php/files/916ac866a731bc56b723b143138c5703/zuzumakamuvowunemagadade.pdfIn PDF document text
- https://yk-tech.com.tw/ckfinder/uploads/ckfiles/files/34757346852.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/visumekegeker.pdfIn PDF document text
- http://bifruit.mk/ckfinder/userfiles/files/kuninef.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/muwonekuvoxexanoraxiwero.pdfIn PDF document text
- http://donkaew-furniture.com/ckfinder/userfiles/files/43760026694.pdfIn PDF document text
- http://sochi-riba.ru/ckfinder/userfiles/files/nofuvuzawibuxefu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=new+tamil+movies+2021+free+downloadPDF 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_off0000e3e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E0 | 10940 bytes |
SHA-256: e30d166d2459876da3a21dedad5381174e48864887525c0f3edfa34e5fe86d40 |
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font_01_sfnt_off0000fd5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD5B | 18044 bytes |
SHA-256: 9462f48bbf7f6b1eb04cad4327774148db33c83e3c22381ad698c7178d1cfb91 |
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font_02_sfnt_off00012c12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C12 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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