MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, with critical and high severity firings. It contains embedded JavaScript, a common technique for executing malicious code within PDFs. The PDF also acts as a link farm, pointing to numerous external URLs, suggesting a phishing or malware distribution attempt. The embedded JavaScript likely facilitates the redirection to these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://lean-ds.com/upload/editor/file/nutogukazefedan.pdf In PDF document text
- http://mannadey.in/FCKeditor/file/42652357685.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/lodidaba.pdfIn PDF document text
- http://uitetenindex.nl/images/uploads/46301708373.pdfIn PDF document text
- https://zemtechnika.lt/public/site/0files/70619702478.pdfIn PDF document text
- http://support-cmu.com/filedata/file/xumukasemajejipufoperiva.pdfIn PDF document text
- https://uslugiinzynierskie.com/eurostyl/photos/file/xajobufinulogufer.pdfIn PDF document text
- http://rama-sp.com/rama/webroot/js/ckfinder/userfiles/files/bilixilejaxerinoduza.pdfIn PDF document text
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613612a6293cc---44498432526.pdfIn PDF document text
- http://vizugy.hu/uploads/files/files/lexumikaburavumuje.pdfIn PDF document text
- http://gesundheit-im-blog.de/userfiles/file/rogonevifipad.pdfIn PDF document text
- https://stalbeckers.nl/userfiles/image/file/banevuvefen.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/161366343935c8---23912168136.pdfIn PDF document text
- http://bakoca.hu/files/file/4539631888.pdfIn PDF document text
- http://gruppocinofilomarsalese.com/userfiles/files/xatofed.pdfIn PDF document text
- http://marymo.ru/uploads/files/lobokigerew.pdfIn PDF document text
- https://themalc.org/files/file/32770333886.pdfIn PDF document text
- https://oferta.lt/i/File/12548240538.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/6272568868.pdfIn PDF document text
- http://hasyo.net/files/file/nepemobimowovajewami.pdfIn PDF document text
- http://pulsarvn.com/media/ftp/file/23150265960.pdfIn PDF document text
- https://pointwebhost.com/calisma2/files/uploads/22249335122.pdfIn PDF document text
- https://zbmbudomont.pl/userfiles/file/15325291913.pdfIn PDF document text
- http://newgoodluckcrane.com/admin/uploadfiles/file/76476023363.pdfIn PDF document text
- https://oncallanatomist.com/ckfinder/userfiles/files/54916541103.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=kalathil+santhippom+onlinePDF 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_off0000c93a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC93A | 10408 bytes |
SHA-256: ae9011709d2e6d417865c63353e17e0d6a811a1e61c5d380270844b8649fab06 |
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font_01_sfnt_off0000e09e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE09E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f8b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8B0 | 18048 bytes |
SHA-256: 98a9dc94ab24b505bba6da34425c0ee71ec0054bb14b4f9127a905a7e1d14a07 |
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