MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by multiple heuristics as malicious, including a high ML score and ClamAV detection as a phishing trojan. It contains numerous external links, many pointing to disposable domains, suggesting a link farm or phishing lure. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a pattern of small PDFs acting as link farms on disposable hosting, further supporting the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
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 https://coherence.cz/userfiles/file/15887503505.pdf In PDF document text
- http://belgium-ex.com/images/blog/file/30942379409.pdfIn PDF document text
- http://synergytaekwondo.com/click2buy_newp/userfiles/file/wodogolojoluzobafizote.pdfIn PDF document text
- https://duocvinhkim.com/userfiles/file/36341189486.pdfIn PDF document text
- http://pkpneu.cz/userfiles/file/kukopof.pdfIn PDF document text
- http://oreoltour.ru/sites/default/files/file/65507338625.pdfIn PDF document text
- http://cosmikkino.ru/sadm_files/39602424444.pdfIn PDF document text
- https://ehbo-oostkapelle.nl/userfiles/file/botodelalefudi.pdfIn PDF document text
- https://eagleegg5k.com/ckfinder/triplebuserfiles/file/tebinafapoz.pdfIn PDF document text
- http://oembag.com/uploads/files/202109042153415837.pdfIn PDF document text
- https://wojczak.pl/userfiles/file/74601576825.pdfIn PDF document text
- https://dollarplus98.com/images/upload/files/11859370359.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/46252df4529ab06a43eb81070a24dc86/11447827077.pdfIn PDF document text
- http://topliving.sk/userfiles/file/kevipevezigigemanad.pdfIn PDF document text
- https://kotypsy.pl/ckfinder/userfiles/files/pinemuwubujefekepifijadof.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/49822634418.pdfIn PDF document text
- http://mrcubezpieczenia.pl/app/webroot/media/files/42781153853.pdfIn PDF document text
- http://esllearningbydesign.com/app/webroot/files/file/zaxapija.pdfIn PDF document text
- http://kamnitikamini.si/upload/files/91084447805.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/suruziwab.pdfIn PDF document text
- http://hbaoge.com/upload/files/7279528143.pdfIn PDF document text
- http://fosterfreezesantarosa.com/uploads/files/pipaxarozuloroze.pdfIn PDF document text
- https://plantbiochem.com/ckfinder/userfiles/files/71235873876.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/41219218823.pdfIn PDF document text
- http://slkuang.com/v15/Upload/file/2021910955274316.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=prem+ratan+dhan+payo+full+movie+download+480p+openloadPDF 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_off0000c371.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC371 | 16764 bytes |
SHA-256: 0e134a7db41216bb1c3884c38ca90974452f14fd95ec82d72da8c11debc4719f |
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font_01_sfnt_off0000eec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000106da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DA | 11368 bytes |
SHA-256: 5e15ecfc2778e274c805f364873797ddda300664d452fd8090b0324e3b0ae832 |
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