MALICIOUS
142
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. The file embeds a large number of external links characteristic of an SEO link farm and contains embedded JavaScript. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://guclupin.com/calisma2/files/uploads/sadera.pdf In PDF document text
- https://nexusmediation.nl/files/mapofalovipakosav.pdfIn PDF document text
- https://usssecuritate.ro/userfiles/file/58928752228.pdfIn PDF document text
- https://www.pessin-location.fr/ckfinder/userfiles/files/rirevatunosiwabofiv.pdfIn PDF document text
- http://shbaicun.com/userfiles/file/2021090402331573499.pdfIn PDF document text
- https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/5349907458.pdfIn PDF document text
- http://drthchowdary.net/userfiles/file/povujukatukabedizirukax.pdfIn PDF document text
- http://pr-jam.com/ckfinder/userfiles/files/wajoretuji.pdfIn PDF document text
- https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5b2a82a69---93283181707.pdfIn PDF document text
- http://myappartement.de/web/editor/files/pedoguwixugijelexosofa.pdfIn PDF document text
- http://sangiorgioautoservizi.com/userfiles/files/towemerunajitez.pdfIn PDF document text
- http://briztravel.com/upload/files/sibujivaxika.pdfIn PDF document text
- http://versobrokers.eu/userfiles/files/nosimo.pdfIn PDF document text
- http://nhatrangpalace.vn/app/webroot/upload/files/pijoreme.pdfIn PDF document text
- https://sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/27952850799.pdfIn PDF document text
- http://ekbdrive.ru/ckfinder/userfiles/files/xarapegejagugimanan.pdfIn PDF document text
- http://inphuduong.vn/upload/files/babafimadarepese.pdfIn PDF document text
- http://cafehinglung.com/uploads/files/10179063688.pdfIn PDF document text
- http://pro-group.ru/userfiles/file/fijewejelovavisupudavowom.pdfIn PDF document text
- https://deltarealestate-eg.com/userfiles/file/jedukoronibemufesebuxiw.pdfIn PDF document text
- http://www.yoko-ono.be/images/userfiles/file/74891240916.pdfIn PDF document text
- http://www.hz-kontejnery.cz/ckfinder/userfiles/files/tufuvobofar.pdfIn PDF document text
- https://nstyapi.com/resimler/files/vigujubomiwaseloj.pdfIn PDF document text
- http://culfordequestriancentre.org/UserFiles/file/mikuvekogagezupelabaduj.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/16277926773.pdfIn PDF document text
- https://airxps.com/userfiles/files/xupeduv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=4k+3d+live+wallpaperPDF 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_off0000eeaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEAF | 18760 bytes |
SHA-256: 50d990a97a673666288857fca7fa3adb75b920392e447468419ae4cf3489ab7a |
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font_01_sfnt_off00011f47.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F47 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001375e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1375E | 10292 bytes |
SHA-256: 35b6d8090ca0b051317ed26a1f7cd41797df8b834a0cfe0672c14860a1490ec5 |
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