MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which are hosted on disposable domains and appear to be part of a link farm designed to obscure the final destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a tactic to disguise malicious links. No scripts were extracted, but the overall structure and URL patterns suggest a phishing attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
Heuristics 5
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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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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://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161469986e0249---77459971375.pdf In PDF document text
- http://1qjd.com/upload/files/2021-09-07-17-03-38-CuAVbsNy.pdfIn PDF document text
- https://e-ssuances.com/ckfinder/userfiles/files/94616637160.pdfIn PDF document text
- http://rheinmotel.com/userfiles/file/vedikolir.pdfIn PDF document text
- http://gazdalkodjokosan.hu/img/userfiles/file/44824110112.pdfIn PDF document text
- http://zapatosperezcabrera.com/ckfinder/userfiles/files/mimakerodapijal.pdfIn PDF document text
- https://ndmoyun.com/calisma2/files/uploads/80376986490.pdfIn PDF document text
- http://heizler.hu/files/file/tejibuliretelaxusol.pdfIn PDF document text
- http://vegman-kzn.com/ckfinder/userfiles/files/jutagenedepakugiliximo.pdfIn PDF document text
- https://altaitur.com/ckfinder/userfiles/files/36559859640.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/161341820bccd6---gubajuxeguxifedib.pdfIn PDF document text
- https://seedomoretravel.com/files/files/virewapililezonib.pdfIn PDF document text
- https://munis-roquesalbes.cat/demo/vilalba/imatges/file/bodevotisuxumab.pdfIn PDF document text
- http://vagtteam.dk/userfiles/Files/ruxuragigawuba.pdfIn PDF document text
- http://illinoislivestock.org/userfiles/file/jeleme.pdfIn PDF document text
- http://ronaldtan.nl/images/photo/46598782716.pdfIn PDF document text
- http://studiolegaletrotta.eu/userfiles/files/sazilegezaxakugudukuxe.pdfIn PDF document text
- https://lazeo.nl/userfiles/file/43172921438.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210906_B0106C462590A017.pdfIn PDF document text
- http://laxycoffee.com/upload/files/12256177254.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/96299804605.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/5243328626.pdfIn PDF document text
- http://retrievers.su/ckfinder/userfiles/files/36447896498.pdfIn PDF document text
- http://avanti-kuhni.ru/upload/files/dugopapujozox.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=slideshare+to+pdf+converter+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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c7a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7A9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dfbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFBB | 23952 bytes |
SHA-256: 06e7041f27dff79ae9a8c98d75c1d747d422e35e25c1be6ed818ff297c3cc47b |
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font_02_sfnt_off00011a9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A9E | 10860 bytes |
SHA-256: 12294b89e0cb60a2da92ca90ca29ddad9ec29fa1a0774d1551fbdbe5e250cd93 |
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font_03_sfnt_off0001339d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1339D | 1868 bytes |
SHA-256: 9d2bb2d94384256bb38bab4c3005c13f44a8b25eb5b232dcefe64ad24aae4b51 |
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