MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code within documents. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the document is designed to host numerous links on disposable domains, strongly suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9765
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://fcv-bo.org/data/fcv-bo/userfiles/file/83970999155.pdf In PDF document text
- http://nawooelcs.com/upload/userfiles/2021/09/files/210909165443.pdfIn PDF document text
- http://garantc.ru/userfiles/file/xolejenabobeporupadebi.pdfIn PDF document text
- https://anctools.com/ckfinder/userfiles/files/88031963382.pdfIn PDF document text
- http://autoscuolavalerio.it/userfiles/files/juwukelugowidi.pdfIn PDF document text
- http://mtcnx.com/upload/fckimagesfile/jolunu.pdfIn PDF document text
- http://studioboscono.it/userfiles/files/kaxowixakagati.pdfIn PDF document text
- http://pegasomeeting.medcoast.net/ckfinder/userfiles/files/dorekusamiki.pdfIn PDF document text
- http://www.hon-ro.hu/userfiles/files/lumuninefiwupap.pdfIn PDF document text
- http://thebankcardservices.com/uploads/files/82554954996.pdfIn PDF document text
- https://bestofbucerias.com/upload/file/fepedosijom.pdfIn PDF document text
- http://ux02.wadhost.com/js/ckfinder/userfiles/files/dukumikujozekowuk.pdfIn PDF document text
- http://lg-palette.com/upload/files/lebek.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a970d43aff---vufel.pdfIn PDF document text
- https://cissud.it/uploads/ck_editor/files/58117908527.pdfIn PDF document text
- http://studioboscono.it/userfiles/files/fepezodigobaserivoxubeve.pdfIn PDF document text
- http://maekuangudomthara.com/ckfinder/userfiles/files/71530391891.pdfIn PDF document text
- http://rosabaum.de/web/editor/files/newetigifufi.pdfIn PDF document text
- https://umutfm.com/resimler/files/ginomo.pdfIn PDF document text
- http://eis-pieschel.de/UserFiles/File/bulixagawirunufisabivizi.pdfIn PDF document text
- http://connect-senior.ch/uploades/userfiles/file/dikuxa.pdfIn PDF document text
- http://huichem.com/ckfinder/userfiles/files/baxukibexan.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.com/userfiles/file/sivekovalites.pdfIn PDF document text
- https://carolinevlieghe.fr/images/file/82867344193.pdfIn PDF document text
- http://hkxhjfc.ltd/uploads/files/20210906193448.pdfIn PDF document text
- http://parentini.it/userfiles/files/nilavugowupeli.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=earn+2+die+3PDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c9b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9B9 | 24796 bytes |
SHA-256: 0e17be18a2b62fb71a3dfbd7b58659ac1ddc20a072469480bc715a7900ce4c1f |
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font_01_sfnt_off00010666.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10666 | 16820 bytes |
SHA-256: ef41c7899d6d111d799807aee77b07311105f5e8d31aafe1c23e31b8e3c2a26c |
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font_02_sfnt_off00011ebe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EBE | 10084 bytes |
SHA-256: 62b65c9e24d442678e70b4631f056e17128898a1e17b5e7174c208cbb74eebb3 |
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font_03_sfnt_off0001354c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1354C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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