MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The presence of embedded JavaScript and a high number of external links, many pointing to disposable domains, strongly indicates a phishing or malware distribution attempt. The ML classifier and ClamAV detection further support its malicious nature. The embedded JavaScript likely facilitates the redirection or download of malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://rakowka.pl/userfiles/file/vugefokipitizekikisut.pdf In PDF document text
- https://encoyun.com/calisma2/files/uploads/sivagapavimin.pdfIn PDF document text
- http://bdsductri.com/upload/files/zekoranabarulez.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/aar5ua068i9udm170cbb64tee0/xikotakex.pdfIn PDF document text
- https://daynexweb.com/upload/ckfinder/files/rakuguxigara.pdfIn PDF document text
- https://avflash.nl/upload/files/zezavaduvufoza.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613feb2fb4fe0---46179032877.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/53218552348.pdfIn PDF document text
- http://keralatravelpath.com/uploads/file/virepijawera.pdfIn PDF document text
- https://evabizz.com/userfiles/file/6264706442.pdfIn PDF document text
- http://gazomotor.com/allinone/file/tuligevo.pdfIn PDF document text
- http://suarezbeltran.com/aym_images/files/72252377347.pdfIn PDF document text
- http://remaining-mc.de/userfiles/file/falunupoxasekaxukodune.pdfIn PDF document text
- http://rqconsultores.com/userfiles/file/kuwimojedinupuzepotufen.pdfIn PDF document text
- https://nls.vn/upload/files/radon.pdfIn PDF document text
- http://nwatchonline.info/userfiles/file/kokifureresivelogoluwu.pdfIn PDF document text
- http://osingenieria.com/images/admin/file/pezujugafevute.pdfIn PDF document text
- http://gulfcoastlist.com/userfiles/file/42937437132.pdfIn PDF document text
- http://www.ciesol.com/ckfinder/userfiles/files/88592710949.pdfIn PDF document text
- https://simbhaolipower.com/images/file/jilatewugesimisaxemim.pdfIn PDF document text
- https://kapefashion.com/files/files/mawatufozaxiwapawi.pdfIn PDF document text
- http://xfswchem.com/upload/files/54066600458.pdfIn PDF document text
- https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/34235891544.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=best+react+ui+framework+2020PDF 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_off0000e8e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8E4 | 10920 bytes |
SHA-256: d5ae23bd36f9819448bf8a49ef76adbd7e2ac63b362e14b972e76dbde3843519 |
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font_01_sfnt_off00010270.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10270 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A82 | 16880 bytes |
SHA-256: e155a5ab4d93b71af9a2a9ae11b9ab8fe1770268ad67ed299805bef7cb3ccf68 |
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