MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs pointing to various PDF files hosted on different domains, indicating a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a phishing or malware distribution attempt. No scripts were extracted, but the structure and URL patterns are consistent with a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9837
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://everest-c.ru/ckfinder/userfiles/files/ketoxetatabomubab.pdf In PDF document text
- http://videocycling.info/files/file/1158566456.pdfIn PDF document text
- https://pisangmanis.com/contents/files/39356391199.pdfIn PDF document text
- http://srmtteaparty.com/uploads/files/202109122215273506.pdfIn PDF document text
- http://1night2day.com/UserFiles/file/36931218001.pdfIn PDF document text
- http://agrocare.hu/ckfinder/userfiles/files/jebujizititawimikemiwifet.pdfIn PDF document text
- http://belloverde.net/emailer/file/wozulupu.pdfIn PDF document text
- https://yptea.com/data/fckeditor/files/vipuwiloxiguj.pdfIn PDF document text
- https://zlatartopalovic.rs/files/siloku.pdfIn PDF document text
- http://bwemfjhjk.friend-match.com/upload/files/zunorezuxuw.pdfIn PDF document text
- http://i-harmonics.com/upload/files/36340055865.pdfIn PDF document text
- http://thewellmanteam.com/userfiles/files/rexigabababesefezes.pdfIn PDF document text
- https://zhongzing.com/uploads/files/202109111645028384.pdfIn PDF document text
- https://abisspaandboutique.com/nbloom/fckuploads/file/23794623848.pdfIn PDF document text
- http://sfipl.in/userfiles/file/nadagojosukibedu.pdfIn PDF document text
- http://sacmacbook.net/userfiles/file/takewoxuvinanuk.pdfIn PDF document text
- https://flexi-cms.com/uploads/file/19608135436.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/34591437315.pdfIn PDF document text
- http://we-women.de/default/files/uploads/file/6255601777.pdfIn PDF document text
- http://jpsacademy.com/slbdavbatala/userfiles/file/86043775306.pdfIn PDF document text
- https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/8b588026f10914a5e8f1a2b6b33ac3e7/vezuwiduvalifal.pdfIn PDF document text
- http://teusz.pl/UserFiles/file/79215203119.pdfIn PDF document text
- http://zxpgw.com/userfiles/file/lopeg.pdfIn PDF document text
- http://abcbyspu.com/ckfinder/images_store/files/siwazivizijekuwuv.pdfIn PDF document text
- https://enerjimakine.com/tsrm1/img/userfiles/file/51811225736.pdfIn PDF document text
- http://michael-dhom.com/webseiten/file/winebi.pdfIn PDF document text
- http://deauville.ru/files/file/dunipopefugupuxepofot.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=download+manager+app+for+androidPDF 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_off0000b327.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB327 | 10664 bytes |
SHA-256: 92518a6ebcedb90719eb95e02d77afcf0ac1c59c566ae1414007f7474c0b7acf |
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font_01_sfnt_off0000cb50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB50 | 15760 bytes |
SHA-256: 1ea894a145b66e5f01e1ea9036a3dbf6570ab86cbe082077b17ce1eba658fb87 |
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font_02_sfnt_off0000f372.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF372 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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