MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, with a critical detection score. It contains embedded JavaScript and numerous external URIs, many of which point to PDF files on potentially disposable domains, indicating a link farm designed to obscure the ultimate destination. The presence of embedded JavaScript suggests an attempt to execute malicious code, likely to redirect the user to a phishing site or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://nulifeus.com/~nulife/userfiles/file/pegegawerokopewerijunof.pdf In PDF document text
- http://cutskytools.com/d/files/fepuremilewejupolepusan.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/pavovo.pdfIn PDF document text
- https://thepainter.asia/upload/files/riraxat.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/125257ee4df3cc8f4c2b31f6dd2d6362/51627525344.pdfIn PDF document text
- http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/gezuzamevexak.pdfIn PDF document text
- https://laptopserwis.com/app/webroot/media/files/dosoju.pdfIn PDF document text
- http://kahounova.cz/userfiles/file/15158097203.pdfIn PDF document text
- http://sireny.net/share/files/korovijimesetek.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202109030638158398.pdfIn PDF document text
- http://angelofthewinds.org/ckfinder/userfiles/files/94132850284.pdfIn PDF document text
- http://laserbeautymachine.net/d/files/dusadolapovevumifagixo.pdfIn PDF document text
- https://etonbio.com/newsLetters/images/file/46478434962.pdfIn PDF document text
- http://xn--80adpfaaeictf0c6c7i.xn--p1ai/public/file/5225037313.pdfIn PDF document text
- https://eastmanllc.net/ckfinder/userfiles/files/29386840894.pdfIn PDF document text
- http://hizirferforje.com/admin/fckeditor/editor/images/file/suxefopavozige.pdfIn PDF document text
- https://latrinquette.com/upload/editor/file/vatoralusasob.pdfIn PDF document text
- https://eastmanllc.com/ckfinder/userfiles/files/41461971901.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161391d4879c13---84121852177.pdfIn PDF document text
- http://grandviewgroupresort.com/upload/files/8119807798.pdfIn PDF document text
- http://xn--42-jlclgg6a3e.xn--p1ai/userfiles/file/janafidadaladar.pdfIn PDF document text
- https://98ing.com/upload/ck/files/20210916_092215.pdfIn PDF document text
- http://isemya.by/modules/ariol/static/ariol/ckfinder/files/42316590215.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=can+macbook+connect+with+android+phonePDF 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_off0000e654.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE654 | 10916 bytes |
SHA-256: 77a71b2a183083e079bbbf2797057ee95dcef8dd7a51f0ec1a7bcad77fae859f |
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font_01_sfnt_off0000ff40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF40 | 17620 bytes |
SHA-256: fd2f348d31ab16e686165e6538574396e6b4c1db55bdab0620902810d2c5b926 |
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font_02_sfnt_off00012d5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D5B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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