MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The presence of embedded JavaScript and a large number of external links, many pointing to disposable domains, strongly suggests a phishing or malware distribution attempt. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
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://gullyracing.it/admin/ckfinder/userfiles/files/91021357328.pdf In PDF document text
- http://holland-ex.com/images/blog/file/tavebaxavapete.pdfIn PDF document text
- http://obraz-tlt.ru/userfiles/file/53249899666.pdfIn PDF document text
- http://pokwuttibut.com/file_media/file_image/file/farerepen.pdfIn PDF document text
- http://osmed.cz/app/webroot/files/files/xagetetobodekabakefavi.pdfIn PDF document text
- https://aymsoft.us/aym_image/files/79187104660.pdfIn PDF document text
- https://alkirbilaw.com/userfiles/files/88736047842.pdfIn PDF document text
- http://rovitek.com/userfiles/file/84808511992.pdfIn PDF document text
- https://vietnamairlinescorp.org/js/ckfinder/userfiles/files/gusepis.pdfIn PDF document text
- http://myphamlulanjina.com/upload/files/61203117823.pdfIn PDF document text
- http://shriramashramssschool.org/userfiles/file/96238585258.pdfIn PDF document text
- https://sinarwaja.com/account/files/fokopofoxujofugu.pdfIn PDF document text
- http://palazzodiaz.com/userfiles/files/40920330047.pdfIn PDF document text
- http://wumag.pl/userfiles/file/subiwopudisulanepad.pdfIn PDF document text
- http://gardensyellowcab.com/admin/images/file/godazanodenuzedesikid.pdfIn PDF document text
- https://juvelyrikoscentras.lt/Files/file/2939918969.pdfIn PDF document text
- http://lotusburbank.com/uploads/files/22065926758.pdfIn PDF document text
- https://tbsva.org/Upload/files/20210910170347.pdfIn PDF document text
- http://faceconnects.com/ci/userfiles/files/9567739460.pdfIn PDF document text
- http://foodzipo.com/uploads/userfiles/files/duridogulivubinazaziw.pdfIn PDF document text
- http://sladkiy-ostrov.ru/userfiles/files/fawufepogezufobisudusapod.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/31657567457.pdfIn PDF document text
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/mirakewegidijimudoj.pdfIn PDF document text
- https://brakos.it/file/kusagoramog.pdfIn PDF document text
- https://magicdiscoradio.hu/userfiles/file/56449088480.pdfIn PDF document text
- http://royalrep.com/userfiles/files/tebufikolofukixosev.pdfIn PDF document text
- http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/20600155787.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=best+battle+royale+games+on+play+storePDF 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_off0000c97b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC97B | 10812 bytes |
SHA-256: 7d90f0d934484b011b93610ed3fdc6ee868b8668c4b399d418c3500a7e30beb9 |
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font_01_sfnt_off0000e252.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE252 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fa64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA64 | 16728 bytes |
SHA-256: 6a37a4f89902fd68ab48f50773012f881860b55ad9a8df8f61939678f44f3cfb |
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