MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external links, many pointing to unknown domains, and a heuristic identified it as a link farm designed to obscure the true destination. A 'download button' lure was also detected, suggesting a phishing or malware download attempt. Although no scripts were extracted, the overall structure and heuristic firings strongly suggest a malicious document designed to trick users into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://cam-ceeds.org/ckfinder/userfiles/files/24892893368.pdf In PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/d1374cefe9dc3e9d81fcf1caf1cb29b9/rifijufipogapevegilexabef.pdfIn PDF document text
- http://elrey-uslugi.ru/media/file/55000123544.pdfIn PDF document text
- http://shrlie.com/upload_fck/file/2021-9-3/20210903052003839175.pdfIn PDF document text
- http://ssp.by/var/upload/bupegubu.pdfIn PDF document text
- https://karolinanowak.com/userfiles/file/dulaketivapusevabigoru.pdfIn PDF document text
- https://www.larche-de-jules.fr/ckfinder/userfiles/files/lajesul.pdfIn PDF document text
- https://www.studiorosaliabusco.it/ckfinder/userfiles/files/munuled.pdfIn PDF document text
- http://lunaleo.pl/userfiles/file/tilalajawafefises.pdfIn PDF document text
- https://neksav.com/upload/ckfinder/files/fenizidaderuvojofilazon.pdfIn PDF document text
- http://toanlinh.vn/upload/files/julive.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/eb31f19315642bafd1ab099934406708/50937291376.pdfIn PDF document text
- http://torby.kbo.pl/ckfinder/userfiles/files/45863186825.pdfIn PDF document text
- http://dieterheich.de/images/uploads/file/82182307398.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/mozelibemuberutipazutuxaj.pdfIn PDF document text
- http://onishi-kyosendo.jp/archive/babug.pdfIn PDF document text
- http://csc028.com/userfiles/file/20210906104556_7pugig.pdfIn PDF document text
- https://toocapen.com/files/jorikadasagufosufimazigo.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/30539129438.pdfIn PDF document text
- http://net-marketing.hu/images/files/sebulekawesovesaxavuz.pdfIn PDF document text
- http://chi-kara.net/userfiles/file/vosalimudoze.pdfIn PDF document text
- http://moscreen.in/cmsfiles/file/49111037612.pdfIn PDF document text
- http://oiseau-bleu-morzine.com/userfiles/file/32045421049.pdfIn PDF document text
- http://niezapominajkowo.eu/userfiles/file/58532627826.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=samsung+note+2+update+downloadPDF 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_off00012869.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12869 | 18984 bytes |
SHA-256: c03d0ee1ad8ba5bb0c67abd596f51e03cda91303e162e05dcf4583a88ee17fed |
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font_01_sfnt_off00015a31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00017248.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17248 | 10924 bytes |
SHA-256: 2569bb01bc6aa088f75c9c14786b640140d416109a6578eee6a33251265e142d |
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