MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier as malicious. It contains numerous embedded URLs, many of which point to disposable domains and are structured as a link farm, suggesting a phishing or malware distribution attempt. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a deliberate attempt to obscure the true malicious destination. No scripts were extracted, but the overall structure and heuristics point to a malicious document designed to redirect users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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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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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://otohondamientay.com/upload/files/kewezoz.pdf In PDF document text
- http://brainbond.ro/userfiles/file/rudireralarosajekotisi.pdfIn PDF document text
- https://interference.ajoda.eu/userfiles/files/vipevakez.pdfIn PDF document text
- http://mengnuanua.com/app/webroot/files/files/bixulubiposawirujavir.pdfIn PDF document text
- http://artin-intranet.com/ckupload/files/3534312305.pdfIn PDF document text
- http://clubesquilacoma.com/uploads/files/falef.pdfIn PDF document text
- https://wemservice.com/ckfinder/userfiles/files/77161211745.pdfIn PDF document text
- http://colorfulmedia.de/fotki/fotki/file/punak.pdfIn PDF document text
- http://exosushi.com/uploads/files/77760679025.pdfIn PDF document text
- http://solarexperten.ch/fckeditor/editor/images/file/dokozisuvexe.pdfIn PDF document text
- http://waetsukai.jp/system/ckfinder/userfiles/files/74360304178.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/pokono.pdfIn PDF document text
- http://jiangsutravel.kr/userfiles/files/20210911_063031.pdfIn PDF document text
- http://saigondome.com/uploads/userfiles/file/16992887028.pdfIn PDF document text
- http://www.biosafety.biz/ckfinder/userfiles/files/tukilufej.pdfIn PDF document text
- http://www.extramas.com/userfiles/files/wetur.pdfIn PDF document text
- http://zhihepvb.com/upload/ckimg/files/202109151848446262.pdfIn PDF document text
- https://karaari.leaddeehub.com/userfiles/files/29053900928.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161333cb024d09---6863343455.pdfIn PDF document text
- http://davcpundri.com/css/file/tuxasefemuvoxise.pdfIn PDF document text
- http://rulada.by/upload/editor/files/42059751619.pdfIn PDF document text
- http://aodaibooking.com/FileData/ckfinder/files/20210902_F4745BD431B6046E.pdfIn PDF document text
- https://hmradiatoriai.lt/images/files/sofapimawemawesulozik.pdfIn PDF document text
- http://thuephotocopytaihanoi.com/upload/files/tataxurasamemaxuduti.pdfIn PDF document text
- http://z-sinpro.com/upload/files/45685379073.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=how+to+transfer+contacts+from+iphone+to+android+without+icloudPDF 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_off0000be32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE32 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d649.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD649 | 11064 bytes |
SHA-256: f42734df157a7af0d4691fa30c5c6dd3bbf5b316cfa741b49d8605f286840c2e |
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font_02_sfnt_off0000efda.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFDA | 15892 bytes |
SHA-256: 6c323d77f026b10dfd2f09da60e366506d411ee6b9f819054c53ece48c625d08 |
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