MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many of which are hosted on disposable domains, suggesting a link farm or phishing lure. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious document, likely used as a spearphishing attachment to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://ocw.tw/uploads/files/71847237302.pdf In PDF document text
- http://medicare-darmstadt.de/bilder/UserImages/file/govaraxufeviw.pdfIn PDF document text
- https://wecareprogram.org/images/file/depizikade.pdfIn PDF document text
- http://eco-versute.com/app/webroot/ckfinder/userfiles/files/25749679496.pdfIn PDF document text
- https://gelblighting.com/userfiles/files/wasuxewuruditomuwakusi.pdfIn PDF document text
- https://www.kuwaitpolyurethane.com/ckfinder/userfiles/files/92899530387.pdfIn PDF document text
- http://usmleworkout.com/files/file/fapomatiwuzugemaru.pdfIn PDF document text
- http://campfirewtx.org/userfiles/file/mavizokegetimojotefuv.pdfIn PDF document text
- http://lisaarkinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/7035624570.pdfIn PDF document text
- http://globomax.eu/userfiles/file/todigelozog.pdfIn PDF document text
- http://limuzine.md/userfiles/file/tipebipadobipime.pdfIn PDF document text
- http://pinzimoniofiumicino.eu/userfiles/files/42770017628.pdfIn PDF document text
- http://bukvoznaika.ru/ckfinder/userfiles/files/20803655875.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff7f73c11a---wifimababumugebatujopimu.pdfIn PDF document text
- http://geredekombiservisi.com/userfiles/file/26716914137.pdfIn PDF document text
- http://highlevel.pl/userfiles/file/wazisifosumefosirapikevot.pdfIn PDF document text
- http://biomehl.com/images/content/files/noderezupodejevululovo.pdfIn PDF document text
- http://martonelektro.hu/files/file/37045876623.pdfIn PDF document text
- https://rimsball.com/ckfinder/userfiles/files/ripiwase.pdfIn PDF document text
- http://vizesblokk.hu/files/file/57634378055.pdfIn PDF document text
- http://hyundai-baoloc.com/luutru/files/nuwilukewalowixozepi.pdfIn PDF document text
- https://fond.ru/userfiles/file/26304969229.pdfIn PDF document text
- http://ulv-fogger.ru/d/files/70302214893.pdfIn PDF document text
- http://autolavaggiocraparotta.it/userfiles/files/28720674553.pdfIn PDF document text
- http://tmtechvn.com/webroot/img/files/jarotitufito.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=emotional+intelligence+daniel+goleman+summary+pdfPDF 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_off0000b8cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8CD | 11160 bytes |
SHA-256: 9d1c5ab806df77790aab4ac9c1b990f584cc18fa34d00163632683e28294c29d |
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font_01_sfnt_off0000d2a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2A2 | 16560 bytes |
SHA-256: 3493f05d612c152b917af669761124eadb8e36a1f6c9806969026ce8a341c86e |
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font_02_sfnt_off0000fd73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD73 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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